diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-17 02:17:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-17 02:17:59 -0400 |
| commit | 0e0162bb8c008fa7742f69d4d4982c8a37b88f95 (patch) | |
| tree | 4b230ab63b5698a44d2948e70a6cc22405c351e9 /fs/udf | |
| parent | ae05327a00fd47c34dfe25294b359a3f3fef96e8 (diff) | |
| parent | 38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff) | |
Merge branch 'ovl-fixes' into for-linus
Backmerge to resolve a conflict in ovl_lookup_real();
"ovl_lookup_real(): use lookup_one_len_unlocked()" instead,
but it was too late in the cycle to rebase.
Diffstat (limited to 'fs/udf')
| -rw-r--r-- | fs/udf/super.c | 4 | ||||
| -rw-r--r-- | fs/udf/udfdecl.h | 2 | ||||
| -rw-r--r-- | fs/udf/unicode.c | 16 |
3 files changed, 17 insertions, 5 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c index fa92fe839fda..36661acaf33b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -919,14 +919,14 @@ static int udf_load_pvoldesc(struct super_block *sb, sector_t block) #endif } - ret = udf_CS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); + ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32); if (ret < 0) goto out_bh; strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret); udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident); - ret = udf_CS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); + ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128); if (ret < 0) goto out_bh; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 972b70625614..263829ef1873 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -212,7 +212,7 @@ extern int udf_get_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); extern int udf_put_filename(struct super_block *, const uint8_t *, int, uint8_t *, int); -extern int udf_CS0toUTF8(uint8_t *, int, const uint8_t *, int); +extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int); /* ialloc.c */ extern void udf_free_inode(struct inode *); diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 3ff42f4437f3..695389a4fc23 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -335,9 +335,21 @@ try_again: return u_len; } -int udf_CS0toUTF8(uint8_t *utf_o, int o_len, const uint8_t *ocu_i, int i_len) +int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len, + const uint8_t *ocu_i, int i_len) { - return udf_name_from_CS0(utf_o, o_len, ocu_i, i_len, + int s_len = 0; + + if (i_len > 0) { + s_len = ocu_i[i_len - 1]; + if (s_len >= i_len) { + pr_err("incorrect dstring lengths (%d/%d)\n", + s_len, i_len); + return -EINVAL; + } + } + + return udf_name_from_CS0(utf_o, o_len, ocu_i, s_len, udf_uni2char_utf8, 0); } |