From c1420f8b2b0f3c833c024979495ab22db34a5dbe Mon Sep 17 00:00:00 2001
From: Tom Rini <trini@konsulko.com>
Date: Fri, 13 May 2016 10:54:04 -0400
Subject: [PATCH] kbuild: fixdep: Check fstat(2) return value
Coverity has recently added a check that will find when we don't check
the return code from fstat(2). Copy/paste the checking logic that
print_deps() has with an appropriate re-wording of the perror() message.
[ Linux commit : 46fe94ad18aa7ce6b3dad8c035fb538942020f2b ]
Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
---
scripts/basic/fixdep.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index e8e8c7756d..9bd0de2490 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -296,7 +296,11 @@ static void do_config_file(const char *filename)
perror(filename);
exit(2);
}
- fstat(fd, &st);
+ if (fstat(fd, &st) < 0) {
+ fprintf(stderr, "fixdep: error fstat'ing config file: ");
+ perror(filename);
+ exit(2);
+ }
if (st.st_size == 0) {
close(fd);
return;
--
2.39.5