2019-07-04 06:10:23

by Simon Sandström

[permalink] [raw]
Subject: [PATCH 2/3] staging: kpc2000: simplify comparison to NULL in dma.c

Fixes checkpatch warning "Comparison to NULL could be written [...]".

Signed-off-by: Simon Sandström <[email protected]>
---
drivers/staging/kpc2000/kpc_dma/dma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc_dma/dma.c b/drivers/staging/kpc2000/kpc_dma/dma.c
index 8092d0cf4a4a..51a4dd534a0d 100644
--- a/drivers/staging/kpc2000/kpc_dma/dma.c
+++ b/drivers/staging/kpc2000/kpc_dma/dma.c
@@ -119,7 +119,7 @@ int setup_dma_engine(struct kpc_dma_device *eng, u32 desc_cnt)
cur = eng->desc_pool_first;
for (i = 1 ; i < eng->desc_pool_cnt ; i++) {
next = dma_pool_alloc(eng->desc_pool, GFP_KERNEL | GFP_DMA, &next_handle);
- if (next == NULL)
+ if (!next)
goto done_alloc;

clear_desc(next);
@@ -245,7 +245,7 @@ int count_descriptors_available(struct kpc_dma_device *eng)

void clear_desc(struct kpc_dma_descriptor *desc)
{
- if (desc == NULL)
+ if (!desc)
return;
desc->DescByteCount = 0;
desc->DescStatusErrorFlags = 0;
--
2.20.1