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>
This commit is contained in:
Tom Rini 2015-12-07 16:26:08 -05:00 committed by Michal Marek
parent a043934207
commit 46fe94ad18
1 changed files with 5 additions and 1 deletions

View File

@ -274,7 +274,11 @@ 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;