Commit 2e5c93d6 authored Jun 05, 2018 by Wei Yongjun Committed by Michael Ellerman Jun 05, 2018

ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()



Add the missing unlock before return from function
afu_ioctl_enable_p9_wait() in the error handling case.

Fixes: e948e06f ("ocxl: Expose the thread_id needed for wait on POWER9")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Alastair D'Silva <alastair@d-silva.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent b0c4acb1

drivers/misc/ocxl/file.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -139,8 +139,10 @@ static long afu_ioctl_enable_p9_wait(struct ocxl_context *ctx,
		// Locks both status & tidr
		mutex_lock(&ctx->status_mutex);
		if (!ctx->tidr) {
		if (set_thread_tidr(current))
		if (set_thread_tidr(current)) {
		mutex_unlock(&ctx->status_mutex);
		return -ENOENT;
		}

		ctx->tidr = current->thread.tidr;
		}