c26167.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Warning C26167	Warning C26167	11/04/2016	C26167	C26167	5a3d767f-31fa-45e0-8c9b-1aa776acaa45

Warning C26167

Possibly releasing unheld lock 'lock' in function 'func'.

Warning C26167 resembles warning C26117 except that the confidence level is lower. For example, the function may contain annotation errors.

Examples

The following code will generate C26167 and C26110.

typedef struct _DATA {
    CRITICAL_SECTION cs;
} DATA;

_Releases_lock_(p->cs) void Leave(DATA* p) {
    LeaveCriticalSection(&p->cs); // OK
}
void ReleaseUnheldLock(DATA* p) { // Warning C26167
    int i = 0;
    Leave(p); // Warning C26110
}

The following code will correct these warnings.

typedef struct _DATA {
    CRITICAL_SECTION cs;
} DATA;

_Releases_lock_(p->cs) void Leave(DATA* p) {
    LeaveCriticalSection( &p->cs );
}

void ReleaseUnheldLock( DATA* p ) {
    EnterCriticalSection( &p->cs );
    int i = 0;
    Leave(p);
}