spi/ppc4xx: Use kcalloc() in spi_ppc4xx_of_probe()

* A multiplication for the size determination of a memory allocation
  indicated that an array data structure should be processed.
  Thus reuse the corresponding function "kcalloc".

  This issue was detected by using the Coccinelle software.

* Replace the specification of a data type by a pointer dereference
  to make the corresponding size determination a bit safer according to
  the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index b2df63c..967d948 100644 (file)
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -411,7 +411,7 @@ static int spi_ppc4xx_of_probe(struct platform_device *op)
        if (num_gpios > 0) {
                int i;
 
-               hw->gpios = kzalloc(sizeof(int) * num_gpios, GFP_KERNEL);
+               hw->gpios = kcalloc(num_gpios, sizeof(*hw->gpios), GFP_KERNEL);
                if (!hw->gpios) {
                        ret = -ENOMEM;
                        goto free_master;