From 7eafcb0372c52c873342194570915e2f407277b7 Mon Sep 17 00:00:00 2001
From: Jiacheng Guo <guojiacheng@espressif.com>
Date: Fri, 17 Sep 2021 17:31:20 +0800
Subject: [PATCH] vfs: fix occasional ISR context mismatch in event fd

---
 components/vfs/vfs_eventfd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/vfs/vfs_eventfd.c b/components/vfs/vfs_eventfd.c
index f5f3c49ed5..726a0b13a9 100644
--- a/components/vfs/vfs_eventfd.c
+++ b/components/vfs/vfs_eventfd.c
@@ -260,7 +260,7 @@ static ssize_t event_write(int fd, const void *data, size_t size)
         return ret;
     }
 
-    if (xPortInIsrContext()) {
+    if (!xPortCanYield()) {
         ret = signal_event_fd_from_isr(fd, data, size);
     } else {
         const uint64_t *val = (const uint64_t *)data;