opkg_download: print error when fork() fails

Instead of silently failing and claiming that the signature verification
failed, print out the error status when the initial fork() call fails.

Ref: https://bugs.openwrt.org/index.php?do=details&task_id=1999
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/libopkg/opkg_download.c b/libopkg/opkg_download.c
index 51d43b39622fd965da8d67e84c6dbbfb70adad5d..f9e7e98386dbb5d2e45f08e9dd54a004ce0033e2 100644 (file)
--- a/libopkg/opkg_download.c
+++ b/libopkg/opkg_download.c
@@ -306,8 +306,10 @@ int opkg_verify_file(char *text_file, char *sig_file)
                return 0;
 
        pid = fork();
-       if (pid < 0)
+       if (pid < 0) {
+               opkg_perror(ERROR, "Failed to fork opkg-key process");
                return -1;
+       }
 
        if (!pid) {
                execl("/usr/sbin/opkg-key", "opkg-key", "verify", sig_file,