[PATCH] net: wwan: t7xx: Fix the ACPI memory leak

[Hanjun Guo]

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@xxxxxxxxxx>
---
 drivers/net/wwan/t7xx/t7xx_modem_ops.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wwan/t7xx/t7xx_modem_ops.c b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
index 3458af3..7d0f5e4 100644
--- a/drivers/net/wwan/t7xx/t7xx_modem_ops.c
+++ b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
@@ -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;
 }
-- 
1.7.12.4