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-rw-r--r--arch/um/drivers/net_kern.c15
-rw-r--r--arch/um/drivers/pcap_kern.c25
-rw-r--r--arch/um/drivers/pcap_user.c23
3 files changed, 38 insertions, 25 deletions
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index baac4ad5e68e..72773dd54425 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -316,12 +316,14 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name)
}
if (!is_local_ether_addr(addr)) {
printk(KERN_WARNING
- "Warning: attempt to assign a globally valid ethernet address to a "
- "device\n");
- printk(KERN_WARNING "You should better enable the 2nd rightmost bit "
- "in the first byte of the MAC, i.e. "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4], addr[5]);
+ "Warning: attempt to assign a globally valid ethernet "
+ "address to a device\n");
+ printk(KERN_WARNING "You should better enable the 2nd "
+ "rightmost bit in the first byte of the MAC,\n");
+ printk(KERN_WARNING "i.e. %02x:%02x:%02x:%02x:%02x:%02x\n",
+ addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4],
+ addr[5]);
+ goto random;
}
return;
@@ -478,6 +480,7 @@ out_undo_user_init:
(*transport->user->remove)(&lp->user);
out_unregister:
platform_device_unregister(&device->pdev);
+ return; /* platform_device_unregister frees dev and device */
out_free_netdev:
free_netdev(dev);
out_free_device:
diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c
index 948849343ca4..8b27eae357ef 100644
--- a/arch/um/drivers/pcap_kern.c
+++ b/arch/um/drivers/pcap_kern.c
@@ -29,21 +29,25 @@ void pcap_init(struct net_device *dev, void *data)
ppri->promisc = init->promisc;
ppri->optimize = init->optimize;
ppri->filter = init->filter;
+
+ printk("pcap backend, host interface %s\n", ppri->host_if);
}
-static int pcap_read(int fd, struct sk_buff **skb,
+static int pcap_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
- if(*skb == NULL) return(-ENOMEM);
- return(pcap_user_read(fd, skb_mac_header(*skb),
+ if(*skb == NULL)
+ return -ENOMEM;
+
+ return pcap_user_read(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER,
- (struct pcap_data *) &lp->user));
+ (struct pcap_data *) &lp->user);
}
static int pcap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
- return(-EPERM);
+ return -EPERM;
}
static const struct net_kern_info pcap_kern_info = {
@@ -65,12 +69,12 @@ int pcap_setup(char *str, char **mac_out, void *data)
.optimize = 0,
.filter = NULL });
- remain = split_if_spec(str, &host_if, &init->filter,
+ remain = split_if_spec(str, &host_if, &init->filter,
&options[0], &options[1], NULL);
if(remain != NULL){
printk(KERN_ERR "pcap_setup - Extra garbage on "
"specification : '%s'\n", remain);
- return(0);
+ return 0;
}
if(host_if != NULL)
@@ -87,10 +91,13 @@ int pcap_setup(char *str, char **mac_out, void *data)
init->optimize = 1;
else if(!strcmp(options[i], "nooptimize"))
init->optimize = 0;
- else printk("pcap_setup : bad option - '%s'\n", options[i]);
+ else {
+ printk("pcap_setup : bad option - '%s'\n", options[i]);
+ return 0;
+ }
}
- return(1);
+ return 1;
}
static struct transport pcap_transport = {
diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c
index dc0a903ef9a6..483aa15222a4 100644
--- a/arch/um/drivers/pcap_user.c
+++ b/arch/um/drivers/pcap_user.c
@@ -13,6 +13,7 @@
#include "pcap_user.h"
#include "user.h"
#include "um_malloc.h"
+#include "kern_constants.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
@@ -26,8 +27,8 @@ static int pcap_user_init(void *data, void *dev)
p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors);
if(p == NULL){
- printk("pcap_user_init : pcap_open_live failed - '%s'\n",
- errors);
+ printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - "
+ "'%s'\n", errors);
return -EINVAL;
}
@@ -48,13 +49,13 @@ static int pcap_open(void *data)
if(pri->filter != NULL){
err = dev_netmask(pri->dev, &netmask);
if(err < 0){
- printk("pcap_open : dev_netmask failed\n");
+ printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n");
return -EIO;
}
pri->compiled = um_kmalloc(sizeof(struct bpf_program));
if(pri->compiled == NULL){
- printk("pcap_open : kmalloc failed\n");
+ printk(UM_KERN_ERR "pcap_open : kmalloc failed\n");
return -ENOMEM;
}
@@ -62,15 +63,15 @@ static int pcap_open(void *data)
(struct bpf_program *) pri->compiled,
pri->filter, pri->optimize, netmask);
if(err < 0){
- printk("pcap_open : pcap_compile failed - '%s'\n",
- pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_open : pcap_compile failed - "
+ "'%s'\n", pcap_geterr(pri->pcap));
return -EIO;
}
err = pcap_setfilter(pri->pcap, pri->compiled);
if(err < 0){
- printk("pcap_open : pcap_setfilter failed - '%s'\n",
- pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_open : pcap_setfilter "
+ "failed - '%s'\n", pcap_geterr(pri->pcap));
return -EIO;
}
}
@@ -85,7 +86,8 @@ static void pcap_remove(void *data)
if(pri->compiled != NULL)
pcap_freecode(pri->compiled);
- pcap_close(pri->pcap);
+ if(pri->pcap != NULL)
+ pcap_close(pri->pcap);
}
struct pcap_handler_data {
@@ -114,7 +116,8 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri)
n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata);
if(n < 0){
- printk("pcap_dispatch failed - %s\n", pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_dispatch failed - %s\n",
+ pcap_geterr(pri->pcap));
return -EIO;
}
else if(n == 0)
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 00:37:45 +0300