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-rw-r--r--util-linux/mdev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 8fc8a3d..e23828e 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -564,7 +564,10 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
make_device(temp, 1);
}
else if (strcmp(action, "add") == 0) {
- make_device(temp, 0);
+ /* make_device mangles its parameter, use a copy */
+ char *s = xstrdup(temp);
+ make_device(s, 0);
+ free(s);
if (ENABLE_FEATURE_MDEV_LOAD_FIRMWARE) {
if (fw)
load_firmware(fw, temp);