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staging: erofs: Replace NULL comparisons
Replace all NULL comparisons in the file to get rid of checkpatch warnings Signed-off-by: Vatsala Narang <vatsalanarang@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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0d808cdfe0
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e2ff9f15e8
@ -37,7 +37,7 @@ static int __init erofs_init_inode_cache(void)
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SLAB_RECLAIM_ACCOUNT,
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init_once);
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return erofs_inode_cachep != NULL ? 0 : -ENOMEM;
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return erofs_inode_cachep ? 0 : -ENOMEM;
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}
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static void erofs_exit_inode_cache(void)
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@ -50,7 +50,7 @@ static struct inode *alloc_inode(struct super_block *sb)
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struct erofs_vnode *vi =
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kmem_cache_alloc(erofs_inode_cachep, GFP_KERNEL);
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if (vi == NULL)
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if (!vi)
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return NULL;
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/* zero out everything except vfs_inode */
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@ -87,7 +87,7 @@ static int superblock_read(struct super_block *sb)
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bh = sb_bread(sb, 0);
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if (bh == NULL) {
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if (!bh) {
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errln("cannot read erofs superblock");
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return -EIO;
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}
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@ -338,7 +338,7 @@ static struct inode *erofs_init_managed_cache(struct super_block *sb)
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{
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struct inode *inode = new_inode(sb);
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if (unlikely(inode == NULL))
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if (unlikely(!inode))
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return ERR_PTR(-ENOMEM);
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set_nlink(inode, 1);
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@ -370,7 +370,7 @@ static int erofs_read_super(struct super_block *sb,
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}
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sbi = kzalloc(sizeof(struct erofs_sb_info), GFP_KERNEL);
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if (unlikely(sbi == NULL)) {
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if (unlikely(!sbi)) {
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err = -ENOMEM;
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goto err;
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}
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@ -434,14 +434,14 @@ static int erofs_read_super(struct super_block *sb,
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}
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sb->s_root = d_make_root(inode);
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if (sb->s_root == NULL) {
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if (!sb->s_root) {
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err = -ENOMEM;
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goto err_iget;
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}
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/* save the device name to sbi */
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sbi->dev_name = __getname();
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if (sbi->dev_name == NULL) {
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if (!sbi->dev_name) {
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err = -ENOMEM;
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goto err_devname;
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}
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@ -484,7 +484,7 @@ static void erofs_put_super(struct super_block *sb)
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struct erofs_sb_info *sbi = EROFS_SB(sb);
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/* for cases which are failed in "read_super" */
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if (sbi == NULL)
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if (!sbi)
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return;
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WARN_ON(sb->s_magic != EROFS_SUPER_MAGIC);
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