diff options
Diffstat (limited to 'target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch')
| -rw-r--r-- | target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch b/target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch index feea4c31c6..10d698f961 100644 --- a/target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch +++ b/target/linux/generic/pending-3.18/272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch @@ -1,18 +1,20 @@ -From fcbb6fed85ea9ff4feb4f1ebd4f0f235fdaf06b6 Mon Sep 17 00:00:00 2001 -From: David Heidelberger <david.heidelberger@ixit.cz> +From 649affd04813c43e0a72886517fcfccd63230981 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> Date: Mon, 29 Jun 2015 16:53:03 +0200 -Subject: [PATCH 3/3] uapi/if_ether.h: prevent redefinition of struct ethhdr +Subject: uapi/if_ether.h: prevent redefinition of struct ethhdr Musl provides its own ethhdr struct definition. Add a guard to prevent its definition of the appropriate musl header has already been included. -Signed-off-by: John Spencer <maillist-linux@barfooze.de> -Tested-by: David Heidelberger <david.heidelberger@ixit.cz> -Signed-off-by: Jonas Gorski <jogo@openwrt.org> +glibc does not implement this header, but when glibc will implement this +they can just define __UAPI_DEF_ETHHDR 0 to make it work with the +kernel. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- - include/uapi/linux/if_ether.h | 3 +++ - include/uapi/linux/libc-compat.h | 11 +++++++++++ - 2 files changed, 14 insertions(+) + include/uapi/linux/if_ether.h | 3 +++ + include/uapi/linux/libc-compat.h | 6 ++++++ + 2 files changed, 9 insertions(+) --- a/include/uapi/linux/if_ether.h +++ b/include/uapi/linux/if_ether.h @@ -40,28 +42,14 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> #endif /* _UAPI_LINUX_IF_ETHER_H */ --- a/include/uapi/linux/libc-compat.h +++ b/include/uapi/linux/libc-compat.h -@@ -51,6 +51,14 @@ - /* We have included libc headers... */ - #if !defined(__KERNEL__) +@@ -161,4 +161,10 @@ -+/* musl defines the ethhdr struct itself in its netinet/if_ether.h. -+ * Glibc just includes the kernel header and uses a different guard. */ -+#if defined(_NETINET_IF_ETHER_H) -+#define __UAPI_DEF_ETHHDR 0 -+#else -+#define __UAPI_DEF_ETHHDR 1 -+#endif -+ - /* Coordinate with libc netinet/in.h header. */ - #if defined(_NETINET_IN_H) - -@@ -113,6 +121,9 @@ - * that we need. */ - #else /* defined(__KERNEL__) */ + #endif /* __GLIBC__ */ +/* Definitions for if_ether.h */ -+#define __UAPI_DEF_ETHHDR 1 ++/* allow libcs like musl to deactivate this, glibc does not implement this. */ ++#ifndef __UAPI_DEF_ETHHDR ++#define __UAPI_DEF_ETHHDR 1 ++#endif + - /* Definitions for in.h */ - #define __UAPI_DEF_IN_ADDR 1 - #define __UAPI_DEF_IN_IPPROTO 1 + #endif /* _UAPI_LIBC_COMPAT_H */ |