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Message-ID: <20170628135515.GA5462@embeddedgus>
Date: Wed, 28 Jun 2017 08:55:15 -0500
From: "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
"Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] mmc: android-goldfish: remove logically dead code in
goldfish_mmc_irq()
Local variable transfer_error is assigned to a constant value and
it is never updated again.
Remove this variable and the dead code it guards.
Addresses-Coverity-ID: 1222110
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
drivers/mmc/host/android-goldfish.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index 5b3e1c9..63fe509 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -290,7 +290,6 @@ static irqreturn_t goldfish_mmc_irq(int irq, void *dev_id)
u16 status;
int end_command = 0;
int end_transfer = 0;
- int transfer_error = 0;
int state_changed = 0;
int cmd_timeout = 0;
@@ -322,9 +321,7 @@ static irqreturn_t goldfish_mmc_irq(int irq, void *dev_id)
if (end_command)
goldfish_mmc_cmd_done(host, host->cmd);
- if (transfer_error)
- goldfish_mmc_xfer_done(host, host->data);
- else if (end_transfer) {
+ if (end_transfer) {
host->dma_done = 1;
goldfish_mmc_end_of_data(host, host->data);
} else if (host->data != NULL) {
@@ -347,8 +344,7 @@ static irqreturn_t goldfish_mmc_irq(int irq, void *dev_id)
mmc_detect_change(host->mmc, 0);
}
- if (!end_command && !end_transfer &&
- !transfer_error && !state_changed && !cmd_timeout) {
+ if (!end_command && !end_transfer && !state_changed && !cmd_timeout) {
status = GOLDFISH_MMC_READ(host, MMC_INT_STATUS);
dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status);
if (status != 0) {
--
2.5.0
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