From: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx> Check for NULL direntry before assigning fields off of it. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail> --- fs/cifs/dir.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 81914df..e9ea4c8 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -53,14 +53,16 @@ build_path_from_dentry(struct dentry *direntry) int dfsplen; char *full_path; char dirsep; - struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); - struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); + struct cifs_sb_info *cifs_sb; + struct cifs_tcon *tcon; 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 */ + cifs_sb = CIFS_SB(direntry->d_sb); + tcon = cifs_sb_master_tcon(cifs_sb); dirsep = CIFS_DIR_SEP(cifs_sb); if (tcon->Flags & SMB_SHARE_IS_IN_DFS) dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1); -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
