From 833f4077bf7c2dcff6e31526e03ec2ad91c88581 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 16 Oct 2007 23:25:45 -0700 Subject: lib: percpu_counter_init error handling alloc_percpu can fail, propagate that error. Signed-off-by: Peter Zijlstra Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ext2/super.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'fs/ext2/super.c') diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 639a32c3c9c..2690e460f2e 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -653,6 +653,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) int db_count; int i, j; __le32 features; + int err; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) @@ -906,12 +907,20 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); - percpu_counter_init(&sbi->s_freeblocks_counter, + err = percpu_counter_init(&sbi->s_freeblocks_counter, ext2_count_free_blocks(sb)); - percpu_counter_init(&sbi->s_freeinodes_counter, + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, ext2_count_free_inodes(sb)); - percpu_counter_init(&sbi->s_dirs_counter, + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, ext2_count_dirs(sb)); + } + if (err) { + printk(KERN_ERR "EXT2-fs: insufficient memory\n"); + goto failed_mount3; + } /* * set up enough so that it can read an inode */ -- cgit v1.2.3