This is a note to let you know that I've just added the patch titled
net: wwan: t7xx: Fix the ACPI memory leak
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-wwan-t7xx-fix-the-acpi-memory-leak.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e92470b62594c52c9671f1ab1485733402d45130
Author: Hanjun Guo <guohanjun@xxxxxxxxxx>
Date: Tue Nov 22 20:19:40 2022 +0800
net: wwan: t7xx: Fix the ACPI memory leak
[ Upstream commit 08e8a949f684e1fbc4b1efd2337d72ec8f3613d9 ]
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>
Link: https://lore.kernel.org/r/1669119580-28977-1-git-send-email-guohanjun@xxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wwan/t7xx/t7xx_modem_ops.c b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
index 3458af31e864..7d0f5e4f0a78 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;
}
