PM / Sleep: Fix read_unlock_usermodehelper() call.

Commit b298d289
 "PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()"
added read_unlock_usermodehelper() but read_unlock_usermodehelper() is called
without read_lock_usermodehelper() when kmalloc() failed.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 26ab358..6c9387d 100644 (file)
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -525,8 +525,7 @@ static int _request_firmware(const struct firmware **firmware_p,
        if (!firmware) {
                dev_err(device, "%s: kmalloc(struct firmware) failed\n",
                        __func__);
-               retval = -ENOMEM;
-               goto out;
+               return -ENOMEM;
        }
 
        if (fw_get_builtin_firmware(firmware, name)) {