From f157853e407c0611cd6acbc400fa6c7be420b1bd Mon Sep 17 00:00:00 2001 From: Fabian Frederick Date: Tue, 17 Feb 2015 13:46:23 -0800 Subject: fs/affs: define AFFSNAMEMAX to replace constant use 30 was used all over the place to compare name length against AFFS maximum name length. Signed-off-by: Fabian Frederick Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/affs/affs.h | 2 ++ fs/affs/amigaffs.c | 6 +++--- fs/affs/dir.c | 3 ++- fs/affs/namei.c | 16 ++++++++-------- fs/affs/super.c | 2 +- 5 files changed, 16 insertions(+), 13 deletions(-) diff --git a/fs/affs/affs.h b/fs/affs/affs.h index ff44ff3..c8764bd 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -30,6 +30,8 @@ #define AFFS_AC_SIZE (AFFS_CACHE_SIZE/sizeof(struct affs_ext_key)/2) #define AFFS_AC_MASK (AFFS_AC_SIZE-1) +#define AFFSNAMEMAX 30U + struct affs_ext_key { u32 ext; /* idx of the extended block */ u32 key; /* block number */ diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index 0836f6f..118d782 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -483,11 +483,11 @@ affs_check_name(const unsigned char *name, int len, bool notruncate) { int i; - if (len > 30) { + if (len > AFFSNAMEMAX) { if (notruncate) return -ENAMETOOLONG; else - len = 30; + len = AFFSNAMEMAX; } for (i = 0; i < len; i++) { if (name[i] < ' ' || name[i] == ':' @@ -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) { - u32 len = min(dentry->d_name.len, 30u); + u32 len = min(dentry->d_name.len, AFFSNAMEMAX); *bstr++ = len; memcpy(bstr, dentry->d_name.name, len); diff --git a/fs/affs/dir.c b/fs/affs/dir.c index a682892..ac4f318 100644 --- a/fs/affs/dir.c +++ b/fs/affs/dir.c @@ -114,7 +114,8 @@ inside: break; } - namelen = min(AFFS_TAIL(sb, fh_bh)->name[0], (u8)30); + namelen = min(AFFS_TAIL(sb, fh_bh)->name[0], + (u8)AFFSNAMEMAX); name = AFFS_TAIL(sb, fh_bh)->name + 1; pr_debug("readdir(): dir_emit(\"%.*s\", ino=%u), hash=%d, f_pos=%llx\n", namelen, name, ino, hash_pos, ctx->pos); diff --git a/fs/affs/namei.c b/fs/affs/namei.c index 66c6cb3..ffb7bd8 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -72,7 +72,7 @@ __affs_hash_dentry(struct qstr *qstr, toupper_t toupper, bool notruncate) return retval; hash = init_name_hash(); - len = min(qstr->len, 30u); + len = min(qstr->len, AFFSNAMEMAX); for (; len > 0; name++, len--) hash = partial_name_hash(toupper(*name), hash); qstr->hash = end_name_hash(hash); @@ -115,10 +115,10 @@ static inline int __affs_compare_dentry(unsigned int len, * If the names are longer than the allowed 30 chars, * the excess is ignored, so their length may differ. */ - if (len >= 30) { - if (name->len < 30) + if (len >= AFFSNAMEMAX) { + if (name->len < AFFSNAMEMAX) return 1; - len = 30; + len = AFFSNAMEMAX; } else if (len != name->len) return 1; @@ -157,10 +157,10 @@ affs_match(struct dentry *dentry, const u8 *name2, toupper_t toupper) const u8 *name = dentry->d_name.name; int len = dentry->d_name.len; - if (len >= 30) { - if (*name2 < 30) + if (len >= AFFSNAMEMAX) { + if (*name2 < AFFSNAMEMAX) return 0; - len = 30; + len = AFFSNAMEMAX; } else if (len != *name2) return 0; @@ -176,7 +176,7 @@ affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len) toupper_t toupper = affs_get_toupper(sb); u32 hash; - hash = len = min(len, 30u); + hash = len = min(len, AFFSNAMEMAX); for (; len > 0; len--) hash = (hash * 13 + toupper(*name++)) & 0x7ff; diff --git a/fs/affs/super.c b/fs/affs/super.c index ee8eca7..c3524bf 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -584,7 +584,7 @@ affs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bavail = free; buf->f_fsid.val[0] = (u32)id; buf->f_fsid.val[1] = (u32)(id >> 32); - buf->f_namelen = 30; + buf->f_namelen = AFFSNAMEMAX; return 0; } -- cgit v1.1