[reactos] 135/360: [WINESYNC] msi: Unlock msi_custom_action_c on the error paths.

[winesync]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d79a5e413ed4908749f0c4...

commit d79a5e413ed4908749f0c4c8662e82c1702cd5b8
Author:     winesync [e-mail]
AuthorDate: Sat Mar 12 23:54:33 2022 +0100
Commit:     Mark Jansen [e-mail]
CommitDate: Sun Mar 20 19:27:59 2022 +0100

[WINESYNC] msi: Unlock msi_custom_action_c on the error paths.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45483
    Signed-off-by: Michael Stefaniuc [e-mail]
    Signed-off-by: Zebediah Figura [e-mail]
    Signed-off-by: Hans Leidekker [e-mail]
    Signed-off-by: Alexandre Julliard [e-mail]

wine commit id c2add8a030b63d79f94d516d2dbee9fb09b9c09c by Michael Stefaniuc [e-mail]
---
 dll/win32/msi/custom.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dll/win32/msi/custom.c b/dll/win32/msi/custom.c
index 9d44008be73..bdc9b39cd5c 100644
--- a/dll/win32/msi/custom.c
+++ b/dll/win32/msi/custom.c
@@ -693,11 +693,13 @@ static DWORD WINAPI custom_client_thread(void *arg)
         size != sizeof(info->guid))
     {
         ERR("Failed to write to custom action client pipe: %u\n", GetLastError());
+        LeaveCriticalSection(&msi_custom_action_cs);
         return GetLastError();
     }
     if (!ReadFile(pipe, &thread64, sizeof(thread64), &size, NULL) || size != sizeof(thread64))
     {
         ERR("Failed to read from custom action client pipe: %u\n", GetLastError());
+        LeaveCriticalSection(&msi_custom_action_cs);
         return GetLastError();
     }