Remove explicit NULL comparison and write it in its simpler form.
Replacement done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Shraddha Barke <shraddha.6...@gmail.com>
---
Change in v2-
 No change

 drivers/staging/lustre/lustre/libcfs/libcfs_lock.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/libcfs/libcfs_lock.c 
b/drivers/staging/lustre/lustre/libcfs/libcfs_lock.c
index 2c199c7..29308ba 100644
--- a/drivers/staging/lustre/lustre/libcfs/libcfs_lock.c
+++ b/drivers/staging/lustre/lustre/libcfs/libcfs_lock.c
@@ -63,12 +63,12 @@ cfs_percpt_lock_alloc(struct cfs_cpt_table *cptab)
 
        /* NB: cptab can be NULL, pcl will be for HW CPUs on that case */
        LIBCFS_ALLOC(pcl, sizeof(*pcl));
-       if (pcl == NULL)
+       if (!pcl)
                return NULL;
 
        pcl->pcl_cptab = cptab;
        pcl->pcl_locks = cfs_percpt_alloc(cptab, sizeof(*lock));
-       if (pcl->pcl_locks == NULL) {
+       if (!pcl->pcl_locks) {
                LIBCFS_FREE(pcl, sizeof(*pcl));
                return NULL;
        }
@@ -164,7 +164,7 @@ cfs_percpt_atomic_alloc(struct cfs_cpt_table *cptab, int 
init_val)
        int             i;
 
        refs = cfs_percpt_alloc(cptab, sizeof(*ref));
-       if (refs == NULL)
+       if (!refs)
                return NULL;
 
        cfs_percpt_for_each(ref, i, refs)
-- 
2.1.4

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