From bf62456eb91f3d2ef0736081583d09b0b3c8b7ea Mon Sep 17 00:00:00 2001 From: Eric Rannaud Date: Fri, 30 Mar 2007 22:23:12 -0700 Subject: 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 Signed-off-by: Eric Rannaud Cc: Kay Sievers Cc: Cornelia Huck Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- net/core/net-sysfs.c | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) (limited to 'net') diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index e441ec7988c1..b21307b15b82 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -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 -- cgit v1.2.3-59-g8ed1b