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-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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