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spi: rspi: Use devm_kasprintf()

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Use the devm_kasprintf() helper function instead of open coding
error-prone buffer handling and string formatting.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2014-08-06 14:59:00 +02:00 committed by Mark Brown
parent d64b472678
commit 43937455c9
1 changed files with 3 additions and 4 deletions
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7
drivers/spi/spi-rspi.c
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@ -1046,12 +1046,11 @@ static int rspi_request_irq(struct device *dev, unsigned int irq,
irq_handler_t handler, const char *suffix,
void *dev_id)
{
const char *base = dev_name(dev);
size_t len = strlen(base) + strlen(suffix) + 2;
char *name = devm_kzalloc(dev, len, GFP_KERNEL);
const char *name = devm_kasprintf(dev, GFP_KERNEL, "%s:%s",
dev_name(dev), suffix);
if (!name)
return -ENOMEM;
snprintf(name, len, "%s:%s", base, suffix);
return devm_request_irq(dev, irq, handler, 0, name, dev_id);
}