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-rw-r--r--util-linux/mdev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 34cabc934..d8b603e2b 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -179,8 +179,9 @@ static void make_device(char *path, int delete)
unsigned i, n;
#endif
char *a = val;
- s = strchr(val, ' ');
- val = (s && s[1]) ? s+1 : NULL;
+ s = strchrnul(val, ' ');
+ val = (s[0] && s[1]) ? s+1 : NULL;
+ s[0] = '\0';
#if ENABLE_FEATURE_MDEV_RENAME_REGEXP
/* substitute %1..9 with off[1..9], if any */
n = 0;