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authorKoen Vandeputte <koen.vandeputte@ncentric.com>2016-12-22 17:17:04 +0100
committerFelix Fietkau <nbd@nbd.name>2016-12-26 11:17:33 +0100
commit2912f9f2a2e5997df069d38e20d85ff4cc51acef (patch)
tree783e8cd472936ac1ca9378f16fb3189a486e7a48 /toolchain/musl/patches/030-fix-if_indextoname-error-case.patch
parentb97c933ffb5aae338351a1db12a3f7cf5234f5c7 (diff)
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musl: backport various post-1.1.15 fixes
Backport most important fixes up to latest HEAD - Taken post-commit reverts/fixes into account Compile tested Run-tested on cns3xxx & imx6 targets Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Diffstat (limited to 'toolchain/musl/patches/030-fix-if_indextoname-error-case.patch')
-rw-r--r--toolchain/musl/patches/030-fix-if_indextoname-error-case.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/toolchain/musl/patches/030-fix-if_indextoname-error-case.patch b/toolchain/musl/patches/030-fix-if_indextoname-error-case.patch
new file mode 100644
index 0000000000..d680d4eb3f
--- /dev/null
+++ b/toolchain/musl/patches/030-fix-if_indextoname-error-case.patch
@@ -0,0 +1,36 @@
+From 32055d52ca43d867d6dbb763dc5213a8d3536a23 Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Thu, 15 Sep 2016 11:27:30 -0400
+Subject: fix if_indextoname error case
+
+posix requires errno to be set to ENXIO if the interface does not exist.
+linux returns ENODEV instead so we handle this.
+---
+ src/network/if_indextoname.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/network/if_indextoname.c b/src/network/if_indextoname.c
+index 6ee7f13..3b368bf 100644
+--- a/src/network/if_indextoname.c
++++ b/src/network/if_indextoname.c
+@@ -3,6 +3,7 @@
+ #include <sys/socket.h>
+ #include <sys/ioctl.h>
+ #include <string.h>
++#include <errno.h>
+ #include "syscall.h"
+
+ char *if_indextoname(unsigned index, char *name)
+@@ -14,5 +15,9 @@ char *if_indextoname(unsigned index, char *name)
+ ifr.ifr_ifindex = index;
+ r = ioctl(fd, SIOCGIFNAME, &ifr);
+ __syscall(SYS_close, fd);
+- return r < 0 ? 0 : strncpy(name, ifr.ifr_name, IF_NAMESIZE);
++ if (r < 0) {
++ if (errno == ENODEV) errno = ENXIO;
++ return 0;
++ }
++ return strncpy(name, ifr.ifr_name, IF_NAMESIZE);
+ }
+--
+cgit v0.11.2