diff options
Diffstat (limited to 'fs/udf/namei.c')
| -rw-r--r-- | fs/udf/namei.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 9eb9c6440270..a2ba11eca995 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -165,7 +165,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, struct fileIdentDesc *fi = NULL; loff_t f_pos; int block, flen; - unsigned char *fname = NULL; + unsigned char *fname = NULL, *copy_name = NULL; unsigned char *nameptr; uint8_t lfi; uint16_t liu; @@ -236,7 +236,15 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi); else { - nameptr = fname; + if (!copy_name) { + copy_name = kmalloc(UDF_NAME_LEN, + GFP_NOFS); + if (!copy_name) { + fi = ERR_PTR(-ENOMEM); + goto out_err; + } + } + nameptr = copy_name; memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); memcpy(nameptr + lfi - poffset, @@ -279,6 +287,7 @@ out_err: out_ok: brelse(epos.bh); kfree(fname); + kfree(copy_name); return fi; } |