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authorJeff Dike <jdike@addtoit.com>2007-05-08 00:35:04 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:20 -0700
commit7d98230a73c21b4d0cee9c3aca38190d215e0e39 (patch)
treec2a5b5ff2e7927c3519ed49c3cb907ee29a5a90a /arch/um/drivers/pcap_user.c
parenta436ed9c5106b41606cbb55ab3b28389fe8ae04f (diff)
uml: network and pcap cleanup
Some network device cleanup. When setup_etheraddr found a globally valid MAC being assigned to an interface, it went ahead and used it rather than assigning a random MAC like the other cases do. This isn't really an error like the others, but it seems consistent to make it behave the same. We were getting some duplicate kfree() in the error case in eth_configure because platform_device_unregister frees buffers that the error cases following tried to free again. The pcap initialization routine wasn't doing the proper printk of its information, causing a printk of the first part of that line to be unterminated by a newline. The pcap code had a bunch of style violations, which are now fixed. pcap_setup wasn't returning false when it detected an unrecognized option. The printks in pcap_user all got UM_KERN_BLAH prepended to their format strings. pcap_remove now checks for a non-NULL pcap structure before it calls pcap_close. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Acked-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/drivers/pcap_user.c')
-rw-r--r--arch/um/drivers/pcap_user.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c
index dc0a903ef9a..483aa15222a 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)