uevent: use add_uevent_var() instead of open coding it

Make use of add_uevent_var() instead of (often incorrectly) open coding it.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Eric Rannaud <eric.rannaud@gmail.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric Rannaud
2007-03-30 22:23:12 -07:00
committed by Greg Kroah-Hartman
parent bdc4960a0b
commit bf62456eb9
6 changed files with 77 additions and 109 deletions

View File

@@ -412,31 +412,25 @@ static int netdev_uevent(struct device *d, char **envp,
int num_envp, char *buf, int size)
{
struct net_device *dev = to_net_dev(d);
int i = 0;
int n;
int retval, len = 0, i = 0;
/* pass interface to uevent. */
envp[i++] = buf;
n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1;
buf += n;
size -= n;
if ((size <= 0) || (i >= num_envp))
return -ENOMEM;
retval = add_uevent_var(envp, num_envp, &i,
buf, size, &len,
"INTERFACE=%s", dev->name);
if (retval)
goto exit;
/* pass ifindex to uevent.
* ifindex is useful as it won't change (interface name may change)
* and is what RtNetlink uses natively. */
envp[i++] = buf;
n = snprintf(buf, size, "IFINDEX=%d", dev->ifindex) + 1;
buf += n;
size -= n;
if ((size <= 0) || (i >= num_envp))
return -ENOMEM;
retval = add_uevent_var(envp, num_envp, &i,
buf, size, &len,
"IFINDEX=%d", dev->ifindex);
exit:
envp[i] = NULL;
return 0;
return retval;
}
#endif