From: Jo-Philipp Wich <jo@mein.io>
Date: Tue, 14 Mar 2017 23:47:23 +0000 (+0100)
Subject: libbb: fix gzip_thread() warnings
X-Git-Url: http://git.openwrt.org/openwrt/docs.git?a=commitdiff_plain;h=6e28563d0023ce0261e2756e5eb120790c5fe6e9;p=project%2Fopkg-lede.git

libbb: fix gzip_thread() warnings

 - mark function static
 - add missing return statement
 - avoid uninitialized use of "len"

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---

diff --git a/libbb/gzip.c b/libbb/gzip.c
index db22523..dc3b283 100644
--- a/libbb/gzip.c
+++ b/libbb/gzip.c
@@ -41,11 +41,11 @@ static void to_devnull(int fd)
 		close(devnull);
 }
 
-void *gzip_thread(void *ptr)
+static void *gzip_thread(void *ptr)
 {
 	struct gzip_handle *zh = ptr;
 	char buf[4096];
-	int len, ret;
+	int len = 0, ret;
 
 	while (1) {
 		if (zh->file)
@@ -63,6 +63,8 @@ void *gzip_thread(void *ptr)
 
 	close(zh->wfd);
 	zh->wfd = -1;
+
+	return NULL;
 }
 
 int gzip_exec(struct gzip_handle *zh, const char *filename)