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authorMarkus Elfring <elfring@users.sourceforge.net>2017-08-20 20:22:02 +0200
committerIlya Dryomov <idryomov@gmail.com>2017-09-06 19:56:52 +0200
commitd37b1d9943d5138b9b2630b7b7082629a82a1386 (patch)
treebf904513456933cbd93e22ce0068e2a6e34802a5 /fs/ceph/xattr.c
parentceph: delete an unnecessary return statement in update_dentry_lease() (diff)
downloadlinux-d37b1d9943d5138b9b2630b7b7082629a82a1386.tar.xz
linux-d37b1d9943d5138b9b2630b7b7082629a82a1386.zip
ceph: adjust 36 checks for NULL pointers
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 <elfring@users.sourceforge.net> Reviewed-by: Yan, Zheng <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/xattr.c')
-rw-r--r--fs/ceph/xattr.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 11263f102e4c..3542b2c364cf 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -777,7 +777,7 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
spin_unlock(&ci->i_ceph_lock);
/* security module gets xattr while filling trace */
- if (current->journal_info != NULL) {
+ if (current->journal_info) {
pr_warn_ratelimited("sync getxattr %p "
"during filling trace\n", inode);
return -EBUSY;
@@ -809,7 +809,7 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
memcpy(value, xattr->val, xattr->val_len);
- if (current->journal_info != NULL &&
+ if (current->journal_info &&
!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN))
ci->i_ceph_flags |= CEPH_I_SEC_INITED;
out:
@@ -1058,7 +1058,7 @@ do_sync_unlocked:
up_read(&mdsc->snap_rwsem);
/* security module set xattr while filling trace */
- if (current->journal_info != NULL) {
+ if (current->journal_info) {
pr_warn_ratelimited("sync setxattr %p "
"during filling trace\n", inode);
err = -EBUSY;
@@ -1108,7 +1108,7 @@ bool ceph_security_xattr_deadlock(struct inode *in)
{
struct ceph_inode_info *ci;
bool ret;
- if (in->i_security == NULL)
+ if (!in->i_security)
return false;
ci = ceph_inode(in);
spin_lock(&ci->i_ceph_lock);