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[CIFS] fs/cifs/dir.c: fix possible NULL dereference

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Signed-off-by: Steve French <sfrench@us.ibm.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
Steve French
2006-10-14 10:10:45 +02:00
committed by Adrian Bunk
parent cffa5ffe72
commit e0326df174
1 changed files with 2 additions and 1 deletions
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fs/cifs/dir.c
+2 -1
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@@ -48,13 +48,14 @@ build_path_from_dentry(struct dentry *direntry)
struct dentry *temp;
int namelen = 0;
char *full_path;
char dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
char dirsep;
if(direntry == NULL)
return NULL; /* not much we can do if dentry is freed and
we need to reopen the file after it was closed implicitly
when the server crashed */
dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
cifs_bp_rename_retry:
for (temp = direntry; !IS_ROOT(temp);) {
namelen += (1 + temp->d_name.len);