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spi: rspi: Use devm_kasprintf()
author
Geert Uytterhoeven
<geert+renesas@glider.be>
Wed, 6 Aug 2014 12:59:00 +0000
(14:59 +0200)
committer
Mark Brown
<broonie@linaro.org>
Sat, 16 Aug 2014 22:14:09 +0000
(17:14 -0500)
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>
drivers/spi/spi-rspi.c
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diff --git
a/drivers/spi/spi-rspi.c
b/drivers/spi/spi-rspi.c
index a4d8d3cf291283b941dcba07ea37ac5d08900918..aa1c6a893570d441b8867161f7092511b716dd8d 100644
(file)
--- a/
drivers/spi/spi-rspi.c
+++ b/
drivers/spi/spi-rspi.c
@@
-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);
}
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