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Message-id: <1435565426-42571-1-git-send-email-maninder1.s@samsung.com>
Date: Mon, 29 Jun 2015 13:40:26 +0530
From: Maninder Singh <maninder1.s@...sung.com>
To: rjw@...ysocki.net, lenb@...nel.org, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: pankaj.m@...sung.com, jiang.liu@...ux.intel.com,
Maninder Singh <maninder1.s@...sung.com>
Subject: [PATCH v2] ACPI/resource.c: Fix memory leak reg
static analysis gives memory leak error for reg:-
[drivers/acpi/resource.c:663]: (error) Memory leak: reg
free allocated memory for reg in case of error from request_range
Signed-off-by: Maninder Singh <maninder1.s@...sung.com>
Reviewed-by: Akhilesh Kumar <akhilesh.k@...sung.com>
---
v1: allocate memory after request_range error checking
v2: free allocated memory in case of error as Suggested by
Jiang Liu <jiang.liu@...ux.intel.com>
drivers/acpi/resource.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index fcb7807..10561ce 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -660,8 +660,10 @@ static int add_region_before(u64 start, u64 end, u8 space_id,
return -ENOMEM;
error = request_range(start, end, space_id, flags, desc);
- if (error)
+ if (error) {
+ kfree(reg);
return error;
+ }
reg->start = start;
reg->end = end;
--
1.7.9.5
--
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