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Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/net_user.c70
-rw-r--r--arch/um/drivers/tty.c31
-rw-r--r--arch/um/os-Linux/file.c137
3 files changed, 110 insertions, 128 deletions
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 0a7786e00cfb..8cd851be0e4d 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -22,13 +22,14 @@ int tap_open_common(void *dev, char *gate_addr)
{
int tap_addr[4];
- if(gate_addr == NULL) return(0);
+ if(gate_addr == NULL)
+ return 0;
if(sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
&tap_addr[1], &tap_addr[2], &tap_addr[3]) != 4){
printk("Invalid tap IP address - '%s'\n", gate_addr);
- return(-EINVAL);
+ return -EINVAL;
}
- return(0);
+ return 0;
}
void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
@@ -94,10 +95,10 @@ int net_read(int fd, void *buf, int len)
n = os_read_file(fd, buf, len);
if(n == -EAGAIN)
- return(0);
+ return 0;
else if(n == 0)
- return(-ENOTCONN);
- return(n);
+ return -ENOTCONN;
+ return n;
}
int net_recvfrom(int fd, void *buf, int len)
@@ -108,11 +109,13 @@ int net_recvfrom(int fd, void *buf, int len)
(errno == EINTR)) ;
if(n < 0){
- if(errno == EAGAIN) return(0);
- return(-errno);
+ if(errno == EAGAIN)
+ return 0;
+ return -errno;
}
- else if(n == 0) return(-ENOTCONN);
- return(n);
+ else if(n == 0)
+ return -ENOTCONN;
+ return n;
}
int net_write(int fd, void *buf, int len)
@@ -122,10 +125,10 @@ int net_write(int fd, void *buf, int len)
n = os_write_file(fd, buf, len);
if(n == -EAGAIN)
- return(0);
+ return 0;
else if(n == 0)
- return(-ENOTCONN);
- return(n);
+ return -ENOTCONN;
+ return n;
}
int net_send(int fd, void *buf, int len)
@@ -134,11 +137,13 @@ int net_send(int fd, void *buf, int len)
while(((n = send(fd, buf, len, 0)) < 0) && (errno == EINTR)) ;
if(n < 0){
- if(errno == EAGAIN) return(0);
- return(-errno);
+ if(errno == EAGAIN)
+ return 0;
+ return -errno;
}
- else if(n == 0) return(-ENOTCONN);
- return(n);
+ else if(n == 0)
+ return -ENOTCONN;
+ return n;
}
int net_sendto(int fd, void *buf, int len, void *to, int sock_len)
@@ -148,11 +153,13 @@ int net_sendto(int fd, void *buf, int len, void *to, int sock_len)
while(((n = sendto(fd, buf, len, 0, (struct sockaddr *) to,
sock_len)) < 0) && (errno == EINTR)) ;
if(n < 0){
- if(errno == EAGAIN) return(0);
- return(-errno);
+ if(errno == EAGAIN)
+ return 0;
+ return -errno;
}
- else if(n == 0) return(-ENOTCONN);
- return(n);
+ else if(n == 0)
+ return -ENOTCONN;
+ return n;
}
struct change_pre_exec_data {
@@ -176,7 +183,7 @@ static int change_tramp(char **argv, char *output, int output_len)
err = os_pipe(fds, 1, 0);
if(err < 0){
printk("change_tramp - pipe failed, err = %d\n", -err);
- return(err);
+ return err;
}
pe_data.close_me = fds[0];
pe_data.stdout = fds[1];
@@ -190,7 +197,7 @@ static int change_tramp(char **argv, char *output, int output_len)
if (pid > 0)
CATCH_EINTR(err = waitpid(pid, NULL, 0));
- return(pid);
+ return pid;
}
static void change(char *dev, char *what, unsigned char *addr,
@@ -241,26 +248,15 @@ char *split_if_spec(char *str, ...)
va_start(ap, str);
while((arg = va_arg(ap, char **)) != NULL){
if(*str == '\0')
- return(NULL);
+ return NULL;
end = strchr(str, ',');
if(end != str)
*arg = str;
if(end == NULL)
- return(NULL);
+ return NULL;
*end++ = '\0';
str = end;
}
va_end(ap);
- return(str);
+ return str;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index 94c9265a4f2c..9f70edf5d8ef 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -25,17 +25,17 @@ static void *tty_chan_init(char *str, int device, struct chan_opts *opts)
if(*str != ':'){
printk("tty_init : channel type 'tty' must specify "
"a device\n");
- return(NULL);
+ return NULL;
}
str++;
data = um_kmalloc(sizeof(*data));
if(data == NULL)
- return(NULL);
+ return NULL;
*data = ((struct tty_chan) { .dev = str,
.raw = opts->raw });
-
- return(data);
+
+ return data;
}
static int tty_open(int input, int output, int primary, void *d,
@@ -45,19 +45,21 @@ static int tty_open(int input, int output, int primary, void *d,
int fd, err;
fd = os_open_file(data->dev, of_set_rw(OPENFLAGS(), input, output), 0);
- if(fd < 0) return(fd);
+ if(fd < 0)
+ return fd;
+
if(data->raw){
CATCH_EINTR(err = tcgetattr(fd, &data->tt));
if(err)
- return(err);
+ return err;
err = raw(fd);
if(err)
- return(err);
+ return err;
}
*dev_out = data->dev;
- return(fd);
+ return fd;
}
struct chan_ops tty_ops = {
@@ -72,14 +74,3 @@ struct chan_ops tty_ops = {
.free = generic_free,
.winch = 0,
};
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 09251338d99e..367ac33c566d 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -47,11 +47,11 @@ int os_stat_fd(const int fd, struct uml_stat *ubuf)
} while((err < 0) && (errno == EINTR)) ;
if(err < 0)
- return(-errno);
+ return -errno;
if(ubuf != NULL)
copy_stat(ubuf, &sbuf);
- return(err);
+ return err;
}
int os_stat_file(const char *file_name, struct uml_stat *ubuf)
@@ -64,11 +64,11 @@ int os_stat_file(const char *file_name, struct uml_stat *ubuf)
} while((err < 0) && (errno == EINTR)) ;
if(err < 0)
- return(-errno);
+ return -errno;
if(ubuf != NULL)
copy_stat(ubuf, &sbuf);
- return(err);
+ return err;
}
int os_access(const char* file, int mode)
@@ -80,9 +80,9 @@ int os_access(const char* file, int mode)
err = access(file, amode);
if(err < 0)
- return(-errno);
+ return -errno;
- return(0);
+ return 0;
}
void os_print_error(int error, const char* str)
@@ -99,9 +99,9 @@ int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg)
err = ioctl(fd, cmd, arg);
if(err < 0)
- return(-errno);
+ return -errno;
- return(err);
+ return err;
}
int os_window_size(int fd, int *rows, int *cols)
@@ -109,12 +109,12 @@ int os_window_size(int fd, int *rows, int *cols)
struct winsize size;
if(ioctl(fd, TIOCGWINSZ, &size) < 0)
- return(-errno);
+ return -errno;
*rows = size.ws_row;
*cols = size.ws_col;
- return(0);
+ return 0;
}
int os_new_tty_pgrp(int fd, int pid)
@@ -125,16 +125,16 @@ int os_new_tty_pgrp(int fd, int pid)
if(tcsetpgrp(fd, pid) < 0)
return -errno;
- return(0);
+ return 0;
}
/* FIXME: ensure namebuf in os_get_if_name is big enough */
int os_get_ifname(int fd, char* namebuf)
{
if(ioctl(fd, SIOCGIFNAME, namebuf) < 0)
- return(-errno);
+ return -errno;
- return(0);
+ return 0;
}
int os_set_slip(int fd)
@@ -149,7 +149,7 @@ int os_set_slip(int fd)
if(ioctl(fd, SIOCSIFENCAP, &sencap) < 0)
return -errno;
- return(0);
+ return 0;
}
int os_set_owner(int fd, int pid)
@@ -158,10 +158,10 @@ int os_set_owner(int fd, int pid)
int save_errno = errno;
if(fcntl(fd, F_GETOWN, 0) != pid)
- return(-save_errno);
+ return -save_errno;
}
- return(0);
+ return 0;
}
/* FIXME? moved wholesale from sigio_user.c to get fcntls out of that file */
@@ -192,9 +192,9 @@ int os_mode_fd(int fd, int mode)
} while((err < 0) && (errno==EINTR)) ;
if(err < 0)
- return(-errno);
+ return -errno;
- return(0);
+ return 0;
}
int os_file_type(char *file)
@@ -204,15 +204,21 @@ int os_file_type(char *file)
err = os_stat_file(file, &buf);
if(err < 0)
- return(err);
+ return err;
- if(S_ISDIR(buf.ust_mode)) return(OS_TYPE_DIR);
- else if(S_ISLNK(buf.ust_mode)) return(OS_TYPE_SYMLINK);
- else if(S_ISCHR(buf.ust_mode)) return(OS_TYPE_CHARDEV);
- else if(S_ISBLK(buf.ust_mode)) return(OS_TYPE_BLOCKDEV);
- else if(S_ISFIFO(buf.ust_mode)) return(OS_TYPE_FIFO);
- else if(S_ISSOCK(buf.ust_mode)) return(OS_TYPE_SOCK);
- else return(OS_TYPE_FILE);
+ if(S_ISDIR(buf.ust_mode))
+ return OS_TYPE_DIR;
+ else if(S_ISLNK(buf.ust_mode))
+ return OS_TYPE_SYMLINK;
+ else if(S_ISCHR(buf.ust_mode))
+ return OS_TYPE_CHARDEV;
+ else if(S_ISBLK(buf.ust_mode))
+ return OS_TYPE_BLOCKDEV;
+ else if(S_ISFIFO(buf.ust_mode))
+ return OS_TYPE_FIFO;
+ else if(S_ISSOCK(buf.ust_mode))
+ return OS_TYPE_SOCK;
+ else return OS_TYPE_FILE;
}
int os_file_mode(char *file, struct openflags *mode_out)
@@ -302,8 +308,8 @@ int os_seek_file(int fd, __u64 offset)
actual = lseek64(fd, offset, SEEK_SET);
if(actual != offset)
- return(-errno);
- return(0);
+ return -errno;
+ return 0;
}
static int fault_buffer(void *start, int len,
@@ -314,13 +320,13 @@ static int fault_buffer(void *start, int len,
for(i = 0; i < len; i += page){
if((*copy_proc)(start + i, &c, sizeof(c)))
- return(-EFAULT);
+ return -EFAULT;
}
if((len % page) != 0){
if((*copy_proc)(start + len - 1, &c, sizeof(c)))
- return(-EFAULT);
+ return -EFAULT;
}
- return(0);
+ return 0;
}
static int file_io(int fd, void *buf, int len,
@@ -334,26 +340,26 @@ static int file_io(int fd, void *buf, int len,
if((n < 0) && (errno == EFAULT)){
err = fault_buffer(buf, len, copy_user_proc);
if(err)
- return(err);
+ return err;
n = (*io_proc)(fd, buf, len);
}
} while((n < 0) && (errno == EINTR));
if(n < 0)
- return(-errno);
- return(n);
+ return -errno;
+ return n;
}
int os_read_file(int fd, void *buf, int len)
{
- return(file_io(fd, buf, len, (int (*)(int, void *, int)) read,
- copy_from_user_proc));
+ return file_io(fd, buf, len, (int (*)(int, void *, int)) read,
+ copy_from_user_proc);
}
int os_write_file(int fd, const void *buf, int len)
{
- return(file_io(fd, (void *) buf, len,
- (int (*)(int, void *, int)) write, copy_to_user_proc));
+ return file_io(fd, (void *) buf, len,
+ (int (*)(int, void *, int)) write, copy_to_user_proc);
}
int os_file_size(char *file, unsigned long long *size_out)
@@ -398,11 +404,11 @@ int os_file_modtime(char *file, unsigned long *modtime)
err = os_stat_file(file, &buf);
if(err < 0){
printk("Couldn't stat \"%s\" : err = %d\n", file, -err);
- return(err);
+ return err;
}
*modtime = buf.ust_mtime;
- return(0);
+ return 0;
}
int os_get_exec_close(int fd, int* close_on_exec)
@@ -455,7 +461,7 @@ int os_pipe(int *fds, int stream, int close_on_exec)
if(err < 0)
goto error;
- return(0);
+ return 0;
error:
printk("os_pipe : Setting FD_CLOEXEC failed, err = %d\n", -err);
@@ -486,12 +492,12 @@ int os_set_fd_async(int fd, int owner)
(fcntl(fd, F_SETOWN, owner) < 0)){
err = -errno;
printk("os_set_fd_async : Failed to fcntl F_SETOWN "
- "(or F_SETSIG) fd %d to pid %d, errno = %d\n", fd,
+ "(or F_SETSIG) fd %d to pid %d, errno = %d\n", fd,
owner, errno);
return err;
}
- return(0);
+ return 0;
}
int os_clear_fd_async(int fd)
@@ -500,8 +506,8 @@ int os_clear_fd_async(int fd)
flags &= ~(O_ASYNC | O_NONBLOCK);
if(fcntl(fd, F_SETFL, flags) < 0)
- return(-errno);
- return(0);
+ return -errno;
+ return 0;
}
int os_set_fd_block(int fd, int blocking)
@@ -516,7 +522,7 @@ int os_set_fd_block(int fd, int blocking)
if(fcntl(fd, F_SETFL, flags) < 0)
return -errno;
- return(0);
+ return 0;
}
int os_accept_connection(int fd)
@@ -524,9 +530,9 @@ int os_accept_connection(int fd)
int new;
new = accept(fd, NULL, 0);
- if(new < 0)
- return(-errno);
- return(new);
+ if(new < 0)
+ return -errno;
+ return new;
}
#ifndef SHUT_RD
@@ -550,12 +556,12 @@ int os_shutdown_socket(int fd, int r, int w)
else if(w) what = SHUT_WR;
else {
printk("os_shutdown_socket : neither r or w was set\n");
- return(-EINVAL);
+ return -EINVAL;
}
err = shutdown(fd, what);
if(err < 0)
- return(-errno);
- return(0);
+ return -errno;
+ return 0;
}
int os_rcv_fd(int fd, int *helper_pid_out)
@@ -578,7 +584,7 @@ int os_rcv_fd(int fd, int *helper_pid_out)
n = recvmsg(fd, &msg, 0);
if(n < 0)
- return(-errno);
+ return -errno;
else if(n != sizeof(iov.iov_len))
*helper_pid_out = -1;
@@ -586,16 +592,16 @@ int os_rcv_fd(int fd, int *helper_pid_out)
cmsg = CMSG_FIRSTHDR(&msg);
if(cmsg == NULL){
printk("rcv_fd didn't receive anything, error = %d\n", errno);
- return(-1);
+ return -1;
}
- if((cmsg->cmsg_level != SOL_SOCKET) ||
+ if((cmsg->cmsg_level != SOL_SOCKET) ||
(cmsg->cmsg_type != SCM_RIGHTS)){
printk("rcv_fd didn't receive a descriptor\n");
- return(-1);
+ return -1;
}
new = ((int *) CMSG_DATA(cmsg))[0];
- return(new);
+ return new;
}
int os_create_unix_socket(char *file, int len, int close_on_exec)
@@ -623,7 +629,7 @@ int os_create_unix_socket(char *file, int len, int close_on_exec)
if(err < 0)
return -errno;
- return(sock);
+ return sock;
}
void os_flush_stdout(void)
@@ -654,16 +660,5 @@ int os_lock_file(int fd, int excl)
printk("F_SETLK failed, file already locked by pid %d\n", lock.l_pid);
err = save;
out:
- return(err);
+ return err;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 23:04:20 +0300