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staging: mt7621-mmc: Fix comparison to NULL

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Replace comparisons of a variable 'x' to NULL with
either 'x' or '!x'.
Issues found with checkpatch.pl

Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dafna Hirschfeld 2018-09-30 22:04:03 +03:00 committed by Greg Kroah-Hartman
parent f259e47af3
commit ffa8ed13d9
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/mt7621-mmc/sd.c
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@ -851,8 +851,8 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
#define SND_DAT 0 #define SND_DAT 0
#define SND_CMD 1 #define SND_CMD 1
BUG_ON(mmc == NULL); BUG_ON(!mmc);
BUG_ON(mrq == NULL); BUG_ON(!mrq);
host->error = 0; host->error = 0;
@ -946,7 +946,7 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
} }
done: done:
if (data != NULL) { if (data) {
host->data = NULL; host->data = NULL;
dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
mmc_get_dma_dir(data)); mmc_get_dma_dir(data));
@ -1638,7 +1638,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
} }
/* transfer complete interrupt */ /* transfer complete interrupt */
if (data != NULL) { if (data) {
if (inten & MSDC_INT_XFER_COMPL) { if (inten & MSDC_INT_XFER_COMPL) {
data->bytes_xfered = host->xfer_size; data->bytes_xfered = host->xfer_size;
complete(&host->xfer_done); complete(&host->xfer_done);
@ -1661,7 +1661,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
} }
/* command interrupts */ /* command interrupts */
if ((cmd != NULL) && (intsts & cmdsts)) { if (cmd && (intsts & cmdsts)) {
if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) || if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) ||
(intsts & MSDC_INT_ACMD19_DONE)) { (intsts & MSDC_INT_ACMD19_DONE)) {
u32 *rsp = &cmd->resp[0]; u32 *rsp = &cmd->resp[0];