From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 18 Oct 2011 18:12:08 +0000 (+0200)
Subject: fix interrupted read checks in log collection
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=6dfd44e127c153e721a398f22b510be1a5e9d0b0

fix interrupted read checks in log collection
---

diff --git a/main.c b/main.c
index b17f053..256a022 100644
--- a/main.c
+++ b/main.c
@@ -94,12 +94,14 @@ netifd_process_log_cb(struct uloop_fd *fd, unsigned int events)
 
 retry:
 	read_len = len = read(fd->fd, buf, maxlen);
-	if (len <= 0) {
-		if (errno == EINTR)
+	if (len < 0) {
+		if (errno == EAGAIN)
 			goto retry;
 
 		goto out;
-	}
+	} else if (len == 0)
+		goto out;
+
 	proc->log_buf_ofs += len;
 
 	cur = buf;