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spi: npcm: fix u32 csgpio being checked for less than zero 

The u32 variable csgpio is being checked for an error return
from the call to of_get_named_gpio, however, since this is unsigned
this comparison will always be false. Fix this by making csgpio an
int and fix up the %u format specifiers to %d accordingly.

Detected by CoverityScan, CID#1475476 ("Unsigned compared against 0")

Fixes: 2a22f1b30c ("spi: npcm: add NPCM PSPI controller driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Colin Ian King 2018-11-14 21:42:46 +00:00 committed by Mark Brown
parent 2a22f1b30c
commit 757ec116c9
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 3 deletions
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6
drivers/spi/spi-npcm-pspi.c
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@ -329,7 +329,7 @@ static int npcm_pspi_probe(struct platform_device *pdev)
unsigned long clk_hz;
struct device_node *np = pdev->dev.of_node;
int num_cs, i;
u32 csgpio;
int csgpio;
int irq;
int ret;
@ -417,12 +417,12 @@ static int npcm_pspi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to get csgpio#%u\n", i);
goto out_disable_clk;
}
dev_dbg(&pdev->dev, "csgpio#%u = %u\n", i, csgpio);
dev_dbg(&pdev->dev, "csgpio#%u = %d\n", i, csgpio);
ret = devm_gpio_request_one(&pdev->dev, csgpio,
GPIOF_OUT_INIT_HIGH, DRIVER_NAME);
if (ret < 0) {
dev_err(&pdev->dev,
"failed to configure csgpio#%u %u\n"
"failed to configure csgpio#%u %d\n"
, i, csgpio);
goto out_disable_clk;
}