From a1b84f93351abd8fbbbae4034203c5e236edee44 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Tue, 18 Oct 2022 12:45:38 -0300
Subject: [PATCH] pipe: fix unlocking lock that is not owned

---
 src/sys/pipe.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sys/pipe.c b/src/sys/pipe.c
index 9961507b..282033db 100644
--- a/src/sys/pipe.c
+++ b/src/sys/pipe.c
@@ -42,6 +42,7 @@ int pipe_read(pipe_t* pipe, void* buff, size_t count, int* error){
 		spinlock_release(&pipe->lock);
 
 		if(event_wait(&pipe->wevent, true)){
+			spinlock_acquire(&pipe->lock);
 			readc = -1;
 			*error = EINTR;
 			break;
@@ -80,6 +81,7 @@ int pipe_write(pipe_t* pipe, void* buff, size_t count, int* error){
 		spinlock_release(&pipe->lock);
 
 		if(event_wait(&pipe->revent, true)){
+			spinlock_acquire(&pipe->lock);
 			*error = EINTR;
 			writec = -1;
 			break;