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.
Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 5b327c6..caef815 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -274,7 +274,11 @@
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;