[reactos] 06/08: [NTOS:PNP] PiNotifyTargetDeviceChange: Don't free incorrect buffer

[Adam Słaboń]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1d18b12ff7a39f86abbf1d...

commit 1d18b12ff7a39f86abbf1d98f9b40821dd003094
Author:     Adam Słaboń [e-mail]
AuthorDate: Sun Mar 3 00:17:39 2024 +0100
Commit:     Hermès BÉLUSCA - MAÏTO [e-mail]
CommitDate: Mon Oct 7 11:16:03 2024 +0200

[NTOS:PNP] PiNotifyTargetDeviceChange: Don't free incorrect buffer
---
 ntoskrnl/io/pnpmgr/pnpnotify.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/io/pnpmgr/pnpnotify.c b/ntoskrnl/io/pnpmgr/pnpnotify.c
index cc169aba171..35a503bfe2d 100644
--- a/ntoskrnl/io/pnpmgr/pnpnotify.c
+++ b/ntoskrnl/io/pnpmgr/pnpnotify.c
@@ -315,7 +315,8 @@ PiNotifyTargetDeviceChange(
     }

KeReleaseGuardedMutex(&PiNotifyTargetDeviceLock);
-    ExFreePoolWithTag(notificationStruct, TAG_PNP_NOTIFY);
+    if (notificationStruct != CustomNotification)
+        ExFreePoolWithTag(notificationStruct, TAG_PNP_NOTIFY);
     ObDereferenceObject(DeviceObject);
 }