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>
This commit is contained in:
Tom Rini 2016-05-13 10:54:04 -04:00
parent c409bd015c
commit c1420f8b2b

View file

@ -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;