[PATCH] Staging: ion: fix code style warning from NULL comparisons

From: Quytelda Kahja
Date: Tue Jun 27 2017 - 17:37:08 EST


This patch replaces several instances where a pointer is compared to NULL
(i.e., `ptr == NULL`) with `!ptr`, which is preferred.

Signed-off-by: Quytelda Kahja <quytelda@xxxxxxxxxxx>
---
drivers/staging/android/ion/ion.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 43ecb4af1b41..93e2c90fa77d 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -103,7 +103,7 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
goto err2;
}

- if (buffer->sg_table == NULL) {
+ if (!buffer->sg_table) {
WARN_ONCE(1, "This heap needs to set the sgtable");
ret = -EINVAL;
goto err1;
@@ -161,7 +161,7 @@ static void *ion_buffer_kmap_get(struct ion_buffer *buffer)
return buffer->vaddr;
}
vaddr = buffer->heap->ops->map_kernel(buffer->heap, buffer);
- if (WARN_ONCE(vaddr == NULL,
+ if (WARN_ONCE(!vaddr,
"heap->ops->map_kernel should return ERR_PTR on error"))
return ERR_PTR(-EINVAL);
if (IS_ERR(vaddr))
@@ -425,7 +425,7 @@ int ion_alloc(size_t len, unsigned int heap_id_mask, unsigned int flags)
}
up_read(&dev->lock);

- if (buffer == NULL)
+ if (!buffer)
return -ENODEV;

if (IS_ERR(buffer))
--
2.13.2