alsactl: Fix oops (when parsing card argument)

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/alsactl/alsactl.c b/alsactl/alsactl.c
index 6728fbcaca3b21b4c4e9fddb2fd6129aea449baf..57957bf476faa9e6f3e1a188ea72f5655e30d4d4 100644 (file)
--- a/alsactl/alsactl.c
+++ b/alsactl/alsactl.c
@@ -150,7 +150,7 @@ int main(int argc, char *argv[])
        }
 
        cardname = argc - optind > 1 ? argv[optind + 1] : NULL;
-       for (tmp = devfiles; cardname != NULL && tmp != NULL; tmp++) {
+       for (tmp = devfiles; cardname != NULL && *tmp != NULL; tmp++) {
                int len = strlen(*tmp);
                if (!strncmp(cardname, *tmp, len)) {
                        long l = strtol(cardname + len, NULL, 0);