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authorEric Rannaud <eric.rannaud@gmail.com>2007-03-30 22:23:12 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-27 10:57:29 -0700
commitbf62456eb91f3d2ef0736081583d09b0b3c8b7ea (patch)
tree851c2559ae11835e19763b7c7c54393f0ae0d5f6 /drivers/amba
parentbdc4960a0b4831a24276b65f1f7afdfc57f2f5cf (diff)
downloadop-kernel-dev-bf62456eb91f3d2ef0736081583d09b0b3c8b7ea.zip
op-kernel-dev-bf62456eb91f3d2ef0736081583d09b0b3c8b7ea.tar.gz
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>
Diffstat (limited to 'drivers/amba')
-rw-r--r--drivers/amba/bus.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index fd54750..268e301 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -47,14 +47,13 @@ static int amba_match(struct device *dev, struct device_driver *drv)
static int amba_uevent(struct device *dev, char **envp, int nr_env, char *buf, int bufsz)
{
struct amba_device *pcdev = to_amba_device(dev);
+ int retval = 0, i = 0, len = 0;
- if (nr_env < 2)
- return -ENOMEM;
-
- snprintf(buf, bufsz, "AMBA_ID=%08x", pcdev->periphid);
- *envp++ = buf;
- *envp++ = NULL;
- return 0;
+ retval = add_uevent_var(envp, nr_env, &i,
+ buf, bufsz, &len,
+ "AMBA_ID=%08x", pcdev->periphid);
+ envp[i] = NULL;
+ return retval;
}
#else
#define amba_uevent NULL
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