selftests: firmware: Fix ignored return val of asprintf() warn

[ Upstream commit fe968ca2cac91888310b143a483123c84906e3fc ]

Fix the following ingonred return val of asprintf() warn during
build:

cc -Wall -O2    fw_namespace.c  -o ../tools/testing/selftests/firmware/fw_namespace
fw_namespace.c: In function ‘main’:
fw_namespace.c:132:2: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  132 |  asprintf(&fw_path, "/lib/firmware/%s", fw_name);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210708031827.51293-1-skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shuah Khan 2021-07-07 21:18:27 -06:00 committed by Greg Kroah-Hartman
parent e944a22126
commit b4f5c9454d

View File

@ -129,7 +129,8 @@ int main(int argc, char **argv)
die("mounting tmpfs to /lib/firmware failed\n");
sys_path = argv[1];
asprintf(&fw_path, "/lib/firmware/%s", fw_name);
if (asprintf(&fw_path, "/lib/firmware/%s", fw_name) < 0)
die("error: failed to build full fw_path\n");
setup_fw(fw_path);