From eeb36f8e938d151fc5e12e96ae13d0e283be357e Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Tue, 17 Feb 2015 13:46:20 -0800
Subject: [PATCH] fs/affs: use unsigned int for string lengths
- Some min() were used with different types.
- Create a new variable in __affs_hash_dentry() to process
affs_check_name()/min() return
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/affs/amigaffs.c | 2 +-
fs/affs/namei.c | 15 ++++++++-------
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 511ab6b126183..0836f6fff641b 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -508,7 +508,7 @@ affs_check_name(const unsigned char *name, int len, bool notruncate)
int
affs_copy_name(unsigned char *bstr, struct dentry *dentry)
{
- int len = min(dentry->d_name.len, 30u);
+ u32 len = min(dentry->d_name.len, 30u);
*bstr++ = len;
memcpy(bstr, dentry->d_name.name, len);
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index de84f4d3e9ecc..66c6cb349bf65 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -64,15 +64,16 @@ __affs_hash_dentry(struct qstr *qstr, toupper_t toupper, bool notruncate)
{
const u8 *name = qstr->name;
unsigned long hash;
- int i;
+ int retval;
+ u32 len;
- i = affs_check_name(qstr->name, qstr->len, notruncate);
- if (i)
- return i;
+ retval = affs_check_name(qstr->name, qstr->len, notruncate);
+ if (retval)
+ return retval;
hash = init_name_hash();
- i = min(qstr->len, 30u);
- for (; i > 0; name++, i--)
+ len = min(qstr->len, 30u);
+ for (; len > 0; name++, len--)
hash = partial_name_hash(toupper(*name), hash);
qstr->hash = end_name_hash(hash);
@@ -173,7 +174,7 @@ int
affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len)
{
toupper_t toupper = affs_get_toupper(sb);
- int hash;
+ u32 hash;
hash = len = min(len, 30u);
for (; len > 0; len--)
--
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