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-rw-r--r--udev/udev-rules.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index 8b94d40c0b..0bad2171fa 100644
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -138,9 +138,9 @@ static int run_program(struct udev_device *dev, const char *command,
if (strchr(arg, ' ') != NULL) {
char *pos = arg;
- while (pos != NULL) {
+ while (pos != NULL && pos[0] != '\0') {
if (pos[0] == '\'') {
- /* don't separate if in apostrophes */
+ /* do not separate quotes */
pos++;
argv[i] = strsep(&pos, "\'");
while (pos != NULL && pos[0] == ' ')