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authorAxel Lin <axel.lin@ingics.com>2014-03-25 02:19:05 +0100
committerMark Brown <broonie@linaro.org>2014-03-28 12:47:43 +0100
commit0e0cd9ea8961b82947a40471080e7968b634820e (patch)
treeaddfdd3a33b73cd952c4e9357d1007da76bc6426 /drivers/spi/spi-fsl-dspi.c
parentspi: fsl-dspi: Use SIMPLE_DEV_PM_OPS macro (diff)
downloadlinux-0e0cd9ea8961b82947a40471080e7968b634820e.tar.xz
linux-0e0cd9ea8961b82947a40471080e7968b634820e.zip
spi: fsl-dspi: Fix memory leak
The memory allocated for chip is not freed anywhere. Convert to use devm_kzalloc to fix the memory leak. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
-rw-r--r--drivers/spi/spi-fsl-dspi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 7f0dddb21833..c5ecfc1240ab 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -342,7 +342,8 @@ static int dspi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
/* Only alloc on first setup */
chip = spi_get_ctldata(spi);
if (chip == NULL) {
- chip = kcalloc(1, sizeof(struct chip_data), GFP_KERNEL);
+ chip = devm_kzalloc(&spi->dev, sizeof(struct chip_data),
+ GFP_KERNEL);
if (!chip)
return -ENOMEM;
}
@@ -353,7 +354,6 @@ static int dspi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
fmsz = spi->bits_per_word - 1;
} else {
pr_err("Invalid wordsize\n");
- kfree(chip);
return -ENODEV;
}