firmware_class: fix typo in error path

In the error path, _request_firmware sets
firmware_p to NULL rather than *firmware_p,
which leads to passing a freed firmware
struct to drivers when the firmware file
cannot be found. Fix this.

Broken by commit f8a4bd3456b988fc73b2c.

Reported-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index c8a44f5..40af43e 100644 (file)
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -568,7 +568,7 @@ static int _request_firmware(const struct firmware **firmware_p,
 out:
        if (retval) {
                release_firmware(firmware);
-               firmware_p = NULL;
+               *firmware_p = NULL;
        }
 
        return retval;