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Message-Id: <200707190048.03992.jesper.juhl@gmail.com>
Date: Thu, 19 Jul 2007 00:48:03 +0200
From: Jesper Juhl <jesper.juhl@...il.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: robert.moore@...el.com, len.brown@...el.com,
akpm@...ux-foundation.org, jesper.juhl@...il.com
Subject: [PATCH][ACPI] Fix acpi_ev_pci_config_region_setup() to avoid memory leak
Hello,
In drivers/acpi/events/evrgnini.c::acpi_ev_pci_config_region_setup()
there is a memory leak.
We may return at "if (!pci_device_node)" without freeing storage
previously allocated and assigned to 'pci_id'.
This patch fixes the leak by freeing the allocated storage in this
case.
Compile tested only...
Signed-off-by: Jesper Juhl <jesper.juhl@...il.com>
---
drivers/acpi/events/evrgnini.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 400d90f..10f378b 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -284,6 +284,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
}
if (!pci_device_node) {
+ kfree(pci_id);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
-
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