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platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()

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Function amd_pmc_stb_debugfs_open_v2() may be called when the STB
debug mechanism enabled.

When amd_pmc_send_cmd() fails, the 'buf' needs to be released.

Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn>
Link: https://lore.kernel.org/r/20230412093734.1126410-1-jiangfeng@kylinos.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Feng Jiang 2023-04-12 17:37:34 +08:00 committed by Hans de Goede
parent 82c3a0b7f0
commit f6e7ac4c35
1 changed files with 1 additions and 0 deletions
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1
drivers/platform/x86/amd/pmc.c
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@ -265,6 +265,7 @@ static int amd_pmc_stb_debugfs_open_v2(struct inode *inode, struct file *filp)
dev->msg_port = 0;
if (ret) {
dev_err(dev->dev, "error: S2D_NUM_SAMPLES not supported : %d\n", ret);
kfree(buf);
return ret;
}