[PATCH] modpost: add NOFAIL to strndup

From: Denis Efremov
Date: Tue Aug 27 2019 - 08:20:43 EST


Add NOFAIL check for the strndup call, because the function
allocates memory and can return NULL. All calls to strdup in
modpost are checked with NOFAIL.

Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
scripts/mod/modpost.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f277e116e0eb..0255538528fe 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -795,9 +795,9 @@ static int match(const char *sym, const char * const pat[])

/* "*foo*" */
if (*p == '*' && *endp == '*') {
- char *here, *bare = strndup(p + 1, strlen(p) - 2);
+ char *bare = NOFAIL(strndup(p + 1, strlen(p) - 2));
+ char *here = strstr(sym, bare);

- here = strstr(sym, bare);
free(bare);
if (here != NULL)
return 1;
--
2.21.0