diff mbox series

[edk2,1/1] MdeModulePkg/DisplayEngineDxe: Fix small InitializeDisplayEngine leak

Message ID 1530636361-6450-1-git-send-email-thomas.palmer@hpe.com
State Accepted
Commit 9090c8b533013078c6df773e128070c76d917830
Headers show
Series [edk2,1/1] MdeModulePkg/DisplayEngineDxe: Fix small InitializeDisplayEngine leak | expand

Commit Message

Palmer, Thomas July 3, 2018, 4:46 p.m. UTC
After calling RegisterHotKey, the allocated memory in NewString should
be freed.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>

---
 MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c | 2 ++
 1 file changed, 2 insertions(+)

-- 
2.7.4

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Comments

Bi, Dandan July 6, 2018, 8:11 a.m. UTC | #1
Reviewed-by: Dandan Bi <dandan.bi@intel.com>



Thanks,
Dandan
-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Thomas Palmer

Sent: Wednesday, July 4, 2018 12:46 AM
To: edk2-devel@lists.01.org
Cc: Dong, Eric <eric.dong@intel.com>; Zeng, Star <star.zeng@intel.com>
Subject: [edk2] [PATCH 1/1] MdeModulePkg/DisplayEngineDxe: Fix small InitializeDisplayEngine leak

After calling RegisterHotKey, the allocated memory in NewString should be freed.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>

---
 MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
index f2eac4d3fece..7390f954b67f 100644
--- a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
+++ b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
@@ -4221,11 +4221,13 @@ InitializeDisplayEngine (
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_TEN_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);
+    FreePool (NewString);
 
     HotKey.ScanCode   = SCAN_F9;
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_NINE_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);
+    FreePool (NewString);
   }
 
   return EFI_SUCCESS;
--
2.7.4

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Zeng, Star July 6, 2018, 11:18 a.m. UTC | #2
Reviewed-by: Star Zeng <star.zeng@intel.com>

And pushed patch at 9090c8b533013078c6df773e128070c76d917830.

Thanks,
Star
-----Original Message-----
From: Bi, Dandan 

Sent: Friday, July 6, 2018 4:11 PM
To: Thomas Palmer <thomas.palmer@hpe.com>; edk2-devel@lists.01.org
Cc: Dong, Eric <eric.dong@intel.com>; Zeng, Star <star.zeng@intel.com>
Subject: RE: [edk2] [PATCH 1/1] MdeModulePkg/DisplayEngineDxe: Fix small InitializeDisplayEngine leak

Reviewed-by: Dandan Bi <dandan.bi@intel.com>



Thanks,
Dandan
-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Thomas Palmer

Sent: Wednesday, July 4, 2018 12:46 AM
To: edk2-devel@lists.01.org
Cc: Dong, Eric <eric.dong@intel.com>; Zeng, Star <star.zeng@intel.com>
Subject: [edk2] [PATCH 1/1] MdeModulePkg/DisplayEngineDxe: Fix small InitializeDisplayEngine leak

After calling RegisterHotKey, the allocated memory in NewString should be freed.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>

---
 MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
index f2eac4d3fece..7390f954b67f 100644
--- a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
+++ b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
@@ -4221,11 +4221,13 @@ InitializeDisplayEngine (
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_TEN_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);
+    FreePool (NewString);
 
     HotKey.ScanCode   = SCAN_F9;
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_NINE_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);
+    FreePool (NewString);
   }
 
   return EFI_SUCCESS;
--
2.7.4

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diff mbox series

Patch

diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
index f2eac4d3fece..7390f954b67f 100644
--- a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
+++ b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
@@ -4221,11 +4221,13 @@  InitializeDisplayEngine (
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_TEN_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);
+    FreePool (NewString);
 
     HotKey.ScanCode   = SCAN_F9;
     NewString         = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_NINE_STRING), NULL);
     ASSERT (NewString != NULL);
     FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);
+    FreePool (NewString);
   }
 
   return EFI_SUCCESS;