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media: s5p-mfc: Adjust a null pointer check in four functions 

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>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Markus Elfring 2017-09-08 13:37:00 -07:00 committed by Mauro Carvalho Chehab
parent d7f15bde0f
commit 4449dd0a39
1 changed files with 4 additions and 4 deletions
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8
drivers/media/platform/s5p-mfc/s5p_mfc.c
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@ -470,7 +470,7 @@ static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
{
mfc_err("Interrupt Error: %08x\n", err);
if (ctx != NULL) {
if (ctx) {
/* Error recovery is dependent on the state of context */
switch (ctx->state) {
case MFCINST_RES_CHANGE_INIT:
@ -508,7 +508,7 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
{
struct s5p_mfc_dev *dev;
if (ctx == NULL)
if (!ctx)
return;
dev = ctx->dev;
if (ctx->c_ops->post_seq_start) {
@ -562,7 +562,7 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
struct s5p_mfc_buf *src_buf;
struct s5p_mfc_dev *dev;
if (ctx == NULL)
if (!ctx)
return;
dev = ctx->dev;
s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
@ -1289,7 +1289,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
return PTR_ERR(dev->regs_base);
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
if (!res) {
dev_err(&pdev->dev, "failed to get irq resource\n");
return -ENOENT;
}