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Message-Id: <20191103180921.2844-1-dave@stgolabs.net>
Date: Sun, 3 Nov 2019 10:09:21 -0800
From: Davidlohr Bueso <dave@...olabs.net>
To: valdis.kletnieks@...edu, gregkh@...uxfoundation.org
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Davidlohr Bueso <dave@...olabs.net>
Subject: [PATCH] drivers/staging/exfat: Ensure we unlock upon error in ffsReadFile
The call was not releasing the mutex upon error.
Reported-by: kbuild test robot <lkp@...el.com>
Reported-by: Julia Lawall <julia.lawall@...6.fr>
Signed-off-by: Davidlohr Bueso <dave@...olabs.net>
---
drivers/staging/exfat/exfat_super.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c
index e9e9868cae85..02dcfe06fc4f 100644
--- a/drivers/staging/exfat/exfat_super.c
+++ b/drivers/staging/exfat/exfat_super.c
@@ -742,8 +742,10 @@ static int ffsReadFile(struct inode *inode, struct file_id_t *fid, void *buffer,
while (clu_offset > 0) {
/* clu = FAT_read(sb, clu); */
- if (FAT_read(sb, clu, &clu) == -1)
- return FFS_MEDIAERR;
+ if (FAT_read(sb, clu, &clu) == -1) {
+ ret = FFS_MEDIAERR;
+ goto out;
+ }
clu_offset--;
}
--
2.16.4
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