linux-kernel - [PATCH] firmware: fix a double abort case with fw_load_sysfs

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Message-Id: <1582876593-27926-1-git-send-email-sunjunyong@xiaomi.com>
Date:   Fri, 28 Feb 2020 15:56:33 +0800
From:   Junyong Sun <sunjy516@...il.com>
To:     mcgrof@...nel.org, gregkh@...uxfoundation.org, rafael@...nel.org,
        sunjunyong@...omi.com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] firmware: fix a double abort case with fw_load_sysfs_fallback

fw_sysfs_wait_timeout may return err with -ENOENT
at fw_load_sysfs_fallback and firmware is already
in abort status, no need to abort again, so skip it.

Signed-off-by: Junyong Sun <sunjunyong@...omi.com>
---
 drivers/base/firmware_loader/fallback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 8704e1b..1e9c96e 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -525,7 +525,7 @@ static int fw_load_sysfs_fallback(struct fw_sysfs *fw_sysfs,
 	}
 
 	retval = fw_sysfs_wait_timeout(fw_priv, timeout);
-	if (retval < 0) {
+	if (retval < 0 && retval != -ENOENT) {
 		mutex_lock(&fw_lock);
 		fw_load_abort(fw_sysfs);
 		mutex_unlock(&fw_lock);
-- 
2.7.4