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authorKAMBAROV, ZAUR <kambarov@berkeley.edu>2005-06-28 20:45:10 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-28 21:20:33 -0700
commitec471dc484b8ca5352903ee28796b8b248313547 (patch)
tree8ddb154379fca4913b3fe0930b3e80fc2208edc5
parent9c101fd439dab60d6eba76afb35fd2696f42c63d (diff)
downloadop-kernel-dev-ec471dc484b8ca5352903ee28796b8b248313547.zip
op-kernel-dev-ec471dc484b8ca5352903ee28796b8b248313547.tar.gz
[PATCH] coverity: fs/udf/namei.c null check
"dir" was dereferenced before null check Signed-off-by: Zaur Kambarov <zkambarov@coverity.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/udf/namei.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 3f6dc71..4673157 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -159,7 +159,7 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
char *nameptr;
uint8_t lfi;
uint16_t liu;
- loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
+ loff_t size;
kernel_lb_addr bloc, eloc;
uint32_t extoffset, elen, offset;
struct buffer_head *bh = NULL;
@@ -167,6 +167,8 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
if (!dir)
return NULL;
+ size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
+
f_pos = (udf_ext0_offset(dir) >> 2);
fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
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