[PATCH] Check for Null return of function of affs_bread in function affs_truncate

[Nicholas Krause <xerofoify@xxxxxxxxx>]

Signed-off-by: Nicholas Krause <xerofoify@xxxxxxxxx>
---
 fs/affs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/affs/file.c b/fs/affs/file.c
index a7fe57d..f26482d 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -923,6 +923,8 @@ affs_truncate(struct inode *inode)
 
 	while (ext_key) {
 		ext_bh = affs_bread(sb, ext_key);
+		if (!ext_bh)
+			return;
 		size = AFFS_SB(sb)->s_hashsize;
 		if (size > blkcnt - blk)
 			size = blkcnt - blk;
-- 
1.9.1

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