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-rw-r--r--fs/block_dev.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index bc8f27c..702b88c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1131,6 +1131,8 @@ static int blkdev_open(struct inode * inode, struct file * filp)
filp->f_flags |= O_LARGEFILE;
bdev = bd_acquire(inode);
+ if (bdev == NULL)
+ return -ENOMEM;
res = do_open(bdev, filp, BD_MUTEX_NORMAL);
if (res)
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