We check for NULL pointers after dereferencing so it's too late. Oddly
enough, Smatch misses this code but complains about the caller passing
NULL pointers to this function:
drivers/mmc/host/toshsd.c:389 toshsd_irq()
error: we previously assumed 'host->cmd' could be null (see line 349)
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/mmc/host/toshsd.c b/drivers/mmc/host/toshsd.c
index edb06d6..4666262 100644
--- a/drivers/mmc/host/toshsd.c
+++ b/drivers/mmc/host/toshsd.c
@@ -206,14 +206,14 @@ static irqreturn_t toshsd_thread_irq(int irq, void *dev_id)
static void toshsd_cmd_irq(struct toshsd_host *host)
{
struct mmc_command *cmd = host->cmd;
- u8 *buf = (u8 *) cmd->resp;
+ u8 *buf;
u16 data;
if (!host->cmd) {
dev_warn(&host->pdev->dev, "Spurious CMD irq\n");
return;
}
-
+ buf = (u8 *)cmd->resp;
host->cmd = NULL;
if (cmd->flags & MMC_RSP_PRESENT && cmd->flags & MMC_RSP_136) {
--
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