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author | Felipe Pena <felipensp@gmail.com> | 2013-10-12 22:35:06 (GMT) |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2013-10-14 11:52:59 (GMT) |
commit | 1b3ed70a1b22e54b6adaf6ffebe1aa6f26465bae (patch) | |
tree | 3931e76bc3a006400071851022dd9fb9dcd8a5d5 | |
parent | 8e9c4aa4e7bd600d30e15ec82be9b670a1ec3da9 (diff) | |
download | linux-1b3ed70a1b22e54b6adaf6ffebe1aa6f26465bae.tar.xz |
ASoC: fsl: Fix memory leak in imx-audmux.c
When audmux_clk is used and clk_prepare_enable function succeed,
the memory alloc'd to buf variable is leaked
Signed-off-by: Felipe Pena <felipensp@gmail.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r-- | sound/soc/fsl/imx-audmux.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c index d3bf71a..ac86993 100644 --- a/sound/soc/fsl/imx-audmux.c +++ b/sound/soc/fsl/imx-audmux.c @@ -66,13 +66,10 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { ssize_t ret; - char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + char *buf; int port = (int)file->private_data; u32 pdcr, ptcr; - if (!buf) - return -ENOMEM; - if (audmux_clk) { ret = clk_prepare_enable(audmux_clk); if (ret) @@ -85,6 +82,10 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, if (audmux_clk) clk_disable_unprepare(audmux_clk); + buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + if (!buf) + return -ENOMEM; + ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr); |