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Diffstat (limited to 'arch/um/drivers')
-rw-r--r--arch/um/drivers/line.c18
-rw-r--r--arch/um/drivers/mconsole_kern.c2
-rw-r--r--arch/um/drivers/net_kern.c2
-rw-r--r--arch/um/drivers/port_kern.c4
-rw-r--r--arch/um/drivers/random.c2
-rw-r--r--arch/um/drivers/ubd_kern.c2
-rw-r--r--arch/um/drivers/vector_kern.c4
-rw-r--r--arch/um/drivers/virtio_uml.c4
-rw-r--r--arch/um/drivers/xterm_kern.c2
9 files changed, 23 insertions, 17 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 77ce63a57070..1c70a31e7c5b 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -262,19 +262,25 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
{
const struct line_driver *driver = line->driver;
- int err = 0;
+ int err;
- if (input)
+ if (input) {
err = um_request_irq(driver->read_irq, fd, IRQ_READ,
line_interrupt, IRQF_SHARED,
driver->read_irq_name, data);
- if (err)
- return err;
- if (output)
+ if (err < 0)
+ return err;
+ }
+
+ if (output) {
err = um_request_irq(driver->write_irq, fd, IRQ_WRITE,
line_write_interrupt, IRQF_SHARED,
driver->write_irq_name, data);
- return err;
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
}
static int line_activate(struct tty_port *port, struct tty_struct *tty)
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index a2e680f7d39f..6d00af25ec6b 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -738,7 +738,7 @@ static int __init mconsole_init(void)
err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt,
IRQF_SHARED, "mconsole", (void *)sock);
- if (err) {
+ if (err < 0) {
printk(KERN_ERR "Failed to get IRQ for management console\n");
goto out;
}
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 1802cf4ef5a5..2fc0b038ff8a 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -160,7 +160,7 @@ static int uml_net_open(struct net_device *dev)
err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
IRQF_SHARED, dev->name, dev);
- if (err != 0) {
+ if (err < 0) {
printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
err = -ENETUNREACH;
goto out_close;
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index a47ca5376d9d..efa8b7304090 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -100,7 +100,7 @@ static int port_accept(struct port_list *port)
.port = port });
if (um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt,
- IRQF_SHARED, "telnetd", conn)) {
+ IRQF_SHARED, "telnetd", conn) < 0) {
printk(KERN_ERR "port_accept : failed to get IRQ for "
"telnetd\n");
goto out_free;
@@ -182,7 +182,7 @@ void *port_data(int port_num)
}
if (um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt,
- IRQF_SHARED, "port", port)) {
+ IRQF_SHARED, "port", port) < 0) {
printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num);
goto out_close;
}
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index e4b9b2ce9abf..bd3059adc2fb 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -76,7 +76,7 @@ static int __init rng_init (void)
random_fd = err;
err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
0, "random", NULL);
- if (err)
+ if (err < 0)
goto err_out_cleanup_hw;
sigio_broken(random_fd, 1);
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 3b48640f89d5..7e07b321e847 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1253,7 +1253,7 @@ static int __init ubd_driver_init(void){
}
err = um_request_irq(UBD_IRQ, thread_fd, IRQ_READ, ubd_intr,
0, "ubd", ubd_devs);
- if(err != 0)
+ if(err < 0)
printk(KERN_ERR "um_request_irq failed - errno = %d\n", -err);
return 0;
}
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index aa6ba9d61e9b..47a02e60898d 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -1271,7 +1271,7 @@ static int vector_net_open(struct net_device *dev)
irq_rr + VECTOR_BASE_IRQ, vp->fds->rx_fd,
IRQ_READ, vector_rx_interrupt,
IRQF_SHARED, dev->name, dev);
- if (err != 0) {
+ if (err < 0) {
netdev_err(dev, "vector_open: failed to get rx irq(%d)\n", err);
err = -ENETUNREACH;
goto out_close;
@@ -1286,7 +1286,7 @@ static int vector_net_open(struct net_device *dev)
irq_rr + VECTOR_BASE_IRQ, vp->fds->tx_fd,
IRQ_WRITE, vector_tx_interrupt,
IRQF_SHARED, dev->name, dev);
- if (err != 0) {
+ if (err < 0) {
netdev_err(dev,
"vector_open: failed to get tx irq(%d)\n", err);
err = -ENETUNREACH;
diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c
index a6c4bb6c2c01..f76b8da28d20 100644
--- a/arch/um/drivers/virtio_uml.c
+++ b/arch/um/drivers/virtio_uml.c
@@ -412,7 +412,7 @@ static int vhost_user_init_slave_req(struct virtio_uml_device *vu_dev)
rc = um_request_irq(VIRTIO_IRQ, vu_dev->req_fd, IRQ_READ,
vu_req_interrupt, IRQF_SHARED,
vu_dev->pdev->name, vu_dev);
- if (rc)
+ if (rc < 0)
goto err_close;
rc = vhost_user_send_no_payload_fd(vu_dev, VHOST_USER_SET_SLAVE_REQ_FD,
@@ -854,7 +854,7 @@ static int vu_setup_vq_call_fd(struct virtio_uml_device *vu_dev,
info->call_fd = call_fds[0];
rc = um_request_irq(VIRTIO_IRQ, info->call_fd, IRQ_READ,
vu_interrupt, IRQF_SHARED, info->name, vq);
- if (rc)
+ if (rc < 0)
goto close_both;
rc = vhost_user_set_vring_call(vu_dev, vq->index, call_fds[1]);
diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c
index d64ef6d0d463..50f11b7b4774 100644
--- a/arch/um/drivers/xterm_kern.c
+++ b/arch/um/drivers/xterm_kern.c
@@ -51,7 +51,7 @@ int xterm_fd(int socket, int *pid_out)
err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt,
IRQF_SHARED, "xterm", data);
- if (err) {
+ if (err < 0) {
printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
"err = %d\n", err);
ret = err;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-17 01:49:56 +0300