Use the devm_kasprintf() helper function instead of open coding
error-prone buffer handling and string formatting.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
devm_kasprintf() was included in upstream, and will be available as of
release v3.17-rc1.
---
drivers/spi/spi-rspi.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index a4d8d3cf2912..aa1c6a893570 100644
--- 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);
}
--
1.9.1
--
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