From: "KAMBAROV, ZAUR" <kambarov@berkeley.edu>

"dir" was dereferenced before null check

Signed-off-by: Zaur Kambarov <zkambarov@coverity.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/udf/namei.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)

diff -puN fs/udf/namei.c~coverity-fs-udf-namei-null-check fs/udf/namei.c
--- 25/fs/udf/namei.c~coverity-fs-udf-namei-null-check	Fri Jun 24 14:23:26 2005
+++ 25-akpm/fs/udf/namei.c	Fri Jun 24 14:23:26 2005
@@ -159,7 +159,7 @@ udf_find_entry(struct inode *dir, struct
 	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
 	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;
_