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igt.cocci: check the return values of various functions

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Add rules to fix unused-result warnings when compiling with
_FORTIFY_SOURCE defined and apply them to the library and tests.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
This commit is contained in:
Thomas Wood
2015-03-25 16:42:57 +00:00
parent 0c4dd28d2d
commit 47f6b1305c
11 changed files with 58 additions and 29 deletions
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tests/prime_udl.c
+1 -1
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@@ -61,7 +61,7 @@ static int find_and_open_devices(void)
if (!fl)
break;
fgets(vendor_id, 8, fl);
igt_assert_neq(fgets(vendor_id, 8, fl), NULL);
fclose(fl);
venid = strtoul(vendor_id, NULL, 16);