orig_data could be NULL. Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx> diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cc5c157..45fc255 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3057,6 +3057,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO; ext4_group_t first_not_zeroed; + if (!orig_data) + return ret; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) goto out_free_orig; @@ -4285,6 +4287,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) #endif char *orig_data = kstrdup(data, GFP_KERNEL); + if (!orig_data) + return -ENOMEM; /* Store the original options */ lock_super(sb); old_sb_flags = sb->s_flags; -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
