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[PATCH] coverity: fs/udf/namei.c null check

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"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>
This commit is contained in:
KAMBAROV, ZAUR 2005-06-28 20:45:10 -07:00 committed by Linus Torvalds
parent 9c101fd439
commit ec471dc484
1 changed files with 3 additions and 1 deletions
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4
fs/udf/namei.c
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@ -159,7 +159,7 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
char *nameptr; char *nameptr;
uint8_t lfi; uint8_t lfi;
uint16_t liu; uint16_t liu;
loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; loff_t size;
kernel_lb_addr bloc, eloc; kernel_lb_addr bloc, eloc;
uint32_t extoffset, elen, offset; uint32_t extoffset, elen, offset;
struct buffer_head *bh = NULL; struct buffer_head *bh = NULL;
@ -167,6 +167,8 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
if (!dir) if (!dir)
return NULL; return NULL;
size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
f_pos = (udf_ext0_offset(dir) >> 2); f_pos = (udf_ext0_offset(dir) >> 2);
fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;