isofs/inode.c: - Remove some crufty leak detection code - coding style cleanups - kfree(NULL) is permitted. Signed-off-by: Andrew Morton --- fs/isofs/inode.c | 109 ++++++++++++++++--------------------------------------- 1 files changed, 32 insertions(+), 77 deletions(-) diff -puN fs/isofs/inode.c~isofs-remove-debug-stuff fs/isofs/inode.c --- 25/fs/isofs/inode.c~isofs-remove-debug-stuff 2005-04-26 01:24:36.176688576 -0700 +++ 25-akpm/fs/isofs/inode.c 2005-04-26 01:24:36.181687816 -0700 @@ -28,11 +28,6 @@ #define BEQUIET -#ifdef LEAK_CHECK -static int check_malloc; -static int check_bread; -#endif - static int isofs_hashi(struct dentry *parent, struct qstr *qstr); static int isofs_hash(struct dentry *parent, struct qstr *qstr); static int isofs_dentry_cmpi(struct dentry *dentry, struct qstr *a, struct qstr *b); @@ -55,11 +50,6 @@ static void isofs_put_super(struct super } #endif -#ifdef LEAK_CHECK - printk("Outstanding mallocs:%d, outstanding buffers: %d\n", - check_malloc, check_bread); -#endif - kfree(sbi); sb->s_fs_info = NULL; return; @@ -73,7 +63,7 @@ static kmem_cache_t *isofs_inode_cachep; static struct inode *isofs_alloc_inode(struct super_block *sb) { struct iso_inode_info *ei; - ei = (struct iso_inode_info *)kmem_cache_alloc(isofs_inode_cachep, SLAB_KERNEL); + ei = kmem_cache_alloc(isofs_inode_cachep, SLAB_KERNEL); if (!ei) return NULL; return &ei->vfs_inode; @@ -84,9 +74,9 @@ static void isofs_destroy_inode(struct i kmem_cache_free(isofs_inode_cachep, ISOFS_I(inode)); } -static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags) +static void init_once(void *foo, kmem_cache_t * cachep, unsigned long flags) { - struct iso_inode_info *ei = (struct iso_inode_info *) foo; + struct iso_inode_info *ei = foo; if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == SLAB_CTOR_CONSTRUCTOR) @@ -107,7 +97,8 @@ static int init_inodecache(void) static void destroy_inodecache(void) { if (kmem_cache_destroy(isofs_inode_cachep)) - printk(KERN_INFO "iso_inode_cache: not all structures were freed\n"); + printk(KERN_INFO "iso_inode_cache: not all structures were " + "freed\n"); } static int isofs_remount(struct super_block *sb, int *flags, char *data) @@ -144,7 +135,7 @@ static struct dentry_operations isofs_de { .d_hash = isofs_hashi_ms, .d_compare = isofs_dentry_cmpi_ms, - } + }, #endif }; @@ -219,8 +210,8 @@ isofs_hashi_common(struct dentry *dentry /* * Case insensitive compare of two isofs names. */ -static int -isofs_dentry_cmpi_common(struct dentry *dentry,struct qstr *a,struct qstr *b,int ms) +static int isofs_dentry_cmpi_common(struct dentry *dentry, struct qstr *a, + struct qstr *b, int ms) { int alen, blen; @@ -243,8 +234,8 @@ isofs_dentry_cmpi_common(struct dentry * /* * Case sensitive compare of two isofs names. */ -static int -isofs_dentry_cmp_common(struct dentry *dentry,struct qstr *a,struct qstr *b,int ms) +static int isofs_dentry_cmp_common(struct dentry *dentry, struct qstr *a, + struct qstr *b, int ms) { int alen, blen; @@ -356,7 +347,7 @@ static match_table_t tokens = { {Opt_err, NULL} }; -static int parse_options(char *options, struct iso9660_options * popt) +static int parse_options(char *options, struct iso9660_options *popt) { char *p; int option; @@ -493,7 +484,7 @@ static int parse_options(char *options, */ #define WE_OBEY_THE_WRITTEN_STANDARDS 1 -static unsigned int isofs_get_last_session(struct super_block *sb,s32 session ) +static unsigned int isofs_get_last_session(struct super_block *sb, s32 session) { struct cdrom_multisession ms_info; unsigned int vol_desc_start; @@ -518,7 +509,8 @@ static unsigned int isofs_get_last_sessi printk(KERN_ERR "Invalid session number or type of track\n"); } i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info); - if(session > 0) printk(KERN_ERR "Invalid session number\n"); + if (session > 0) + printk(KERN_ERR "Invalid session number\n"); #if 0 printk("isofs.inode: CDROMMULTISESSION: rc=%d\n",i); if (i==0) { @@ -557,13 +549,13 @@ static int isofs_fill_super(struct super struct iso9660_options opt; struct isofs_sb_info * sbi; - sbi = kmalloc(sizeof(struct isofs_sb_info), GFP_KERNEL); + sbi = kmalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) return -ENOMEM; s->s_fs_info = sbi; - memset(sbi, 0, sizeof(struct isofs_sb_info)); + memset(sbi, 0, sizeof(*sbi)); - if (!parse_options((char *) data, &opt)) + if (!parse_options((char *)data, &opt)) goto out_freesbi; /* @@ -1002,7 +994,6 @@ int isofs_get_blocks(struct inode *inode rv++; } - abort: unlock_kernel(); return rv; @@ -1014,7 +1005,7 @@ abort: static int isofs_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { - if ( create ) { + if (create) { printk("isofs_get_block: Kernel tries to allocate a block\n"); return -EROFS; } @@ -1061,19 +1052,17 @@ static struct address_space_operations i static inline void test_and_set_uid(uid_t *p, uid_t value) { - if(value) { + if (value) *p = value; - } } static inline void test_and_set_gid(gid_t *p, gid_t value) { - if(value) { + if (value) *p = value; - } } -static int isofs_read_level3_size(struct inode * inode) +static int isofs_read_level3_size(struct inode *inode) { unsigned long bufsize = ISOFS_BUFFER_SIZE(inode); int high_sierra = ISOFS_SB(inode->i_sb)->s_high_sierra; @@ -1136,7 +1125,7 @@ static int isofs_read_level3_size(struct bh = sb_bread(inode->i_sb, block); if (!bh) goto out_noread; - memcpy((void *) tmpde + slop, bh->b_data, offset); + memcpy((void *)tmpde+slop, bh->b_data, offset); } de = tmpde; } @@ -1150,12 +1139,11 @@ static int isofs_read_level3_size(struct more_entries = de->flags[-high_sierra] & 0x80; i++; - if(i > 100) + if (i > 100) goto out_toomany; - } while(more_entries); + } while (more_entries); out: - if (tmpde) - kfree(tmpde); + kfree(tmpde); if (bh) brelse(bh); return 0; @@ -1179,7 +1167,7 @@ out_toomany: goto out; } -static void isofs_read_inode(struct inode * inode) +static void isofs_read_inode(struct inode *inode) { struct super_block *sb = inode->i_sb; struct isofs_sb_info *sbi = ISOFS_SB(sb); @@ -1249,7 +1237,7 @@ static void isofs_read_inode(struct inod ei->i_format_parm[2] = 0; ei->i_section_size = isonum_733 (de->size); - if(de->flags[-high_sierra] & 0x80) { + if (de->flags[-high_sierra] & 0x80) { if(isofs_read_level3_size(inode)) goto fail; } else { ei->i_next_section_block = 0; @@ -1336,16 +1324,16 @@ static void isofs_read_inode(struct inod /* XXX - parse_rock_ridge_inode() had already set i_rdev. */ init_special_inode(inode, inode->i_mode, inode->i_rdev); - out: +out: if (tmpde) kfree(tmpde); if (bh) brelse(bh); return; - out_badread: +out_badread: printk(KERN_WARNING "ISOFS: unable to read i-node block\n"); - fail: +fail: make_bad_inode(inode); goto out; } @@ -1394,11 +1382,8 @@ struct inode *isofs_iget(struct super_bl hashval = (block << sb->s_blocksize_bits) | offset; - inode = iget5_locked(sb, - hashval, - &isofs_iget5_test, - &isofs_iget5_set, - &data); + inode = iget5_locked(sb, hashval, &isofs_iget5_test, + &isofs_iget5_set, &data); if (inode && (inode->i_state & I_NEW)) { sb->s_op->read_inode(inode); @@ -1408,36 +1393,6 @@ struct inode *isofs_iget(struct super_bl return inode; } -#ifdef LEAK_CHECK -#undef malloc -#undef free_s -#undef sb_bread -#undef brelse - -void * leak_check_malloc(unsigned int size){ - void * tmp; - check_malloc++; - tmp = kmalloc(size, GFP_KERNEL); - return tmp; -} - -void leak_check_free_s(void * obj, int size){ - check_malloc--; - return kfree(obj); -} - -struct buffer_head * leak_check_bread(struct super_block *sb, int block){ - check_bread++; - return sb_bread(sb, block); -} - -void leak_check_brelse(struct buffer_head * bh){ - check_bread--; - return brelse(bh); -} - -#endif - static struct super_block *isofs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { _