Messages in this thread Patch in this message | | | From | Tom Rini <> | Subject | [PATCH] kbuild: fixdep: Check fstat(2) return value | Date | Mon, 7 Dec 2015 16:26:08 -0500 |
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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.
Cc: Michal Marek <mmarek@suse.com> Cc: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Tom Rini <trini@konsulko.com>
--- Note that I don't have a CID here was I found this in U-Boot and the kernel hasn't yet done a build with this test being enabled. --- 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 c68fd61..e3d9678 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -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; -- 1.7.9.5
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