diff options
| author |   Axel Lin <axel.lin@ingics.com> | 2014-03-20 17:20:17 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-03-21 18:12:03 +0000 |
| commit | 7282326b722995c3fabd4dcd9244182b37500252 (patch) | |
| tree | 4ffffcf62da593a467cd4e4f4443068ee4b61b0b /drivers/spi | |
| parent | spi: fsl-spi: Convert to let spi core validate xfer->bits_per_word (diff) | |
| download | linux-dev-7282326b722995c3fabd4dcd9244182b37500252.tar.xz linux-dev-7282326b722995c3fabd4dcd9244182b37500252.zip | |
spi: fsl-lib: Fix memory leak of pinfo
of_mpc8xxx_spi_probe() allocates memory for pinfo but the memory is not freed
anywhere. of_mpc8xxx_spi_probe() is called in .probe() and pinfo should be
freed in .remove(), so convert kzalloc to 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')
| -rw-r--r-- | drivers/spi/spi-fsl-lib.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c index 0b75f26158ab..e5d45fca3551 100644 --- a/drivers/spi/spi-fsl-lib.c +++ b/drivers/spi/spi-fsl-lib.c @@ -200,7 +200,7 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) const void *prop; int ret = -ENOMEM; - pinfo = kzalloc(sizeof(*pinfo), GFP_KERNEL); + pinfo = devm_kzalloc(&ofdev->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) return -ENOMEM; @@ -215,15 +215,13 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) pdata->sysclk = get_brgfreq(); if (pdata->sysclk == -1) { pdata->sysclk = fsl_get_sys_freq(); - if (pdata->sysclk == -1) { - ret = -ENODEV; - goto err; - } + if (pdata->sysclk == -1) + return -ENODEV; } #else ret = of_property_read_u32(np, "clock-frequency", &pdata->sysclk); if (ret) - goto err; + return ret; #endif prop = of_get_property(np, "mode", NULL); @@ -237,8 +235,4 @@ int of_mpc8xxx_spi_probe(struct platform_device *ofdev) pdata->flags = SPI_CPM_MODE | SPI_CPM1; return 0; - -err: - kfree(pinfo); - return ret; } |