udf_CS0toUTF8() now returns -EINVAL on error.
udf_load_pvoldesc() and udf_get_filename() do the same.
Suggested-by: Jan Kara <j...@suse.cz>
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
fs/udf/super.c | 23 ++++++++++++++---------
fs/udf/unicode.c | 9 +++++----
2 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 6299f34..c6a8f5f 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -927,17 +927,22 @@ static int udf_load_pvoldesc(struct super_block *sb,
sector_t block)
#endif
}
- if (!udf_build_ustr(instr, pvoldesc->volIdent, 32))
- if (udf_CS0toUTF8(outstr, instr)) {
- strncpy(UDF_SB(sb)->s_volume_ident, outstr->u_name,
- outstr->u_len > 31 ? 31 : outstr->u_len);
- udf_debug("volIdent[] = '%s'\n",
- UDF_SB(sb)->s_volume_ident);
- }
+ if (!udf_build_ustr(instr, pvoldesc->volIdent, 32)) {
+ ret = udf_CS0toUTF8(outstr, instr);
+ if (ret < 0)
+ goto out_bh;
+
+ strncpy(UDF_SB(sb)->s_volume_ident, outstr->u_name,
+ outstr->u_len > 31 ? 31 : outstr->u_len);
+ udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident);
+ }
if (!udf_build_ustr(instr, pvoldesc->volSetIdent, 128))
- if (udf_CS0toUTF8(outstr, instr))
- udf_debug("volSetIdent[] = '%s'\n", outstr->u_name);
+ ret = udf_CS0toUTF8(outstr, instr);
+ if (ret < 0)
+ goto out_bh;
+
+ udf_debug("volSetIdent[] = '%s'\n", outstr->u_name);
ret = 0;
out_bh:
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 41c3bef..9008a36 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -89,7 +89,7 @@ static void udf_build_ustr_exact(struct ustr *dest, dstring
*ptr, int exactsize)
* both of type "struct ustr *"
*
* POST-CONDITIONS
- * <return> Zero on success.
+ * <return> >= 0 on success.
*
* HISTORY
* November 12, 1997 - Andrew E. Mileski
@@ -104,7 +104,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, const struct ustr
*ocu_i)
ocu_len = ocu_i->u_len;
if (ocu_len == 0) {
memset(utf_o, 0, sizeof(struct ustr));
- return 0;
+ return -EINVAL;
}
cmp_id = ocu_i->u_cmpID;
@@ -112,7 +112,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, const struct ustr
*ocu_i)
memset(utf_o, 0, sizeof(struct ustr));
pr_err("unknown compression code (%d) stri=%s\n",
cmp_id, ocu_i->u_name);
- return 0;
+ return -EINVAL;
}
ocu = ocu_i->u_name;
@@ -350,7 +350,8 @@ int udf_get_filename(struct super_block *sb, uint8_t
*sname, int slen,
udf_build_ustr_exact(unifilename, sname, slen);
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
- if (!udf_CS0toUTF8(filename, unifilename)) {
+ ret = udf_CS0toUTF8(filename, unifilename);
+ if (ret < 0) {
udf_debug("Failed in udf_get_filename: sname = %s\n",
sname);
goto out2;
--
1.9.1
--
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