net: wwan: t7xx: Fix the ACPI memory leak
authorHanjun Guo <guohanjun@huawei.com>
Tue, 22 Nov 2022 12:19:40 +0000 (20:19 +0800)
committerPaolo Abeni <pabeni@redhat.com>
Thu, 24 Nov 2022 07:54:59 +0000 (08:54 +0100)
The ACPI buffer memory (buffer.pointer) should be freed as the
buffer is not used after acpi_evaluate_object(), free it to
prevent memory leak.

Fixes: 13e920d93e37 ("net: wwan: t7xx: Add core components")
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/1669119580-28977-1-git-send-email-guohanjun@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
drivers/net/wwan/t7xx/t7xx_modem_ops.c

index 3458af3..7d0f5e4 100644 (file)
@@ -165,6 +165,8 @@ static int t7xx_acpi_reset(struct t7xx_pci_dev *t7xx_dev, char *fn_name)
                return -EFAULT;
        }
 
+       kfree(buffer.pointer);
+
 #endif
        return 0;
 }