From: Markus Elfring <[email protected]>
Date: Fri, 18 Aug 2017 21:47:14 +0200
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The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <[email protected]>
---
 fs/isofs/inode.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 2d3f090944df..db43f52f2268 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -96,7 +96,7 @@ static int __init init_inodecache(void)
                                        0, (SLAB_RECLAIM_ACCOUNT|
                                        SLAB_MEM_SPREAD|SLAB_ACCOUNT),
                                        init_once);
-       if (isofs_inode_cachep == NULL)
+       if (!isofs_inode_cachep)
                return -ENOMEM;
        return 0;
 }
@@ -678,7 +678,7 @@ static int isofs_fill_super(struct super_block *s, void 
*data, int silent)
                        if (isonum_711(vdp->type) == ISO_VD_END)
                                break;
                        if (isonum_711(vdp->type) == ISO_VD_PRIMARY) {
-                               if (pri == NULL) {
+                               if (!pri) {
                                        pri = (struct iso_primary_descriptor 
*)vdp;
                                        /* Save the buffer in case we need it 
... */
                                        pri_bh = bh;
@@ -742,7 +742,7 @@ static int isofs_fill_super(struct super_block *s, void 
*data, int silent)
                goto out_freebh;
        }
 
-       if (joliet_level && (pri == NULL || !opt.rock)) {
+       if (joliet_level && (!pri || !opt.rock)) {
                /* This is the case of Joliet with the norock mount flag.
                 * A disc with both Joliet and Rock Ridge is handled later
                 */
@@ -1320,5 +1320,5 @@ static int isofs_read_inode(struct inode *inode, int 
relocated)
                int frag1 = bufsize - offset;
 
                tmpde = kmalloc(de_len, GFP_KERNEL);
-               if (tmpde == NULL) {
+               if (!tmpde) {
                        ret = -ENOMEM;
-- 
2.14.0

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