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path: root/drivers/s390/cio/device.c
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Diffstat (limited to 'drivers/s390/cio/device.c')
-rw-r--r--drivers/s390/cio/device.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 297659fa0e2..e44d92eac8e 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -117,7 +117,10 @@ static int ccw_uevent(struct device *dev, char **envp, int num_envp,
snprint_alias(modalias_buf, sizeof(modalias_buf), id, "");
ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
"MODALIAS=%s", modalias_buf);
- return ret;
+ if (ret)
+ return ret;
+ envp[i] = NULL;
+ return 0;
}
struct bus_type ccw_bus_type;