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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
66 lines
1.9 KiB
Diff
66 lines
1.9 KiB
Diff
From: David Heidelberger <david.heidelberger@ixit.cz>
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Subject: uapi/if_ether.h: prevent redefinition of struct ethhdr
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Musl provides its own ethhdr struct definition. Add a guard to prevent
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its definition of the appropriate musl header has already been included.
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Signed-off-by: John Spencer <maillist-linux@barfooze.de>
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Tested-by: David Heidelberger <david.heidelberger@ixit.cz>
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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include/uapi/linux/if_ether.h | 3 +++
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include/uapi/linux/libc-compat.h | 11 +++++++++++
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2 files changed, 14 insertions(+)
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--- a/include/uapi/linux/if_ether.h
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+++ b/include/uapi/linux/if_ether.h
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@@ -22,6 +22,7 @@
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#define _UAPI_LINUX_IF_ETHER_H
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#include <linux/types.h>
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+#include <linux/libc-compat.h>
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/*
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* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
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@@ -138,11 +139,13 @@
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* This is an Ethernet frame header.
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*/
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+#if __UAPI_DEF_ETHHDR
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struct ethhdr {
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unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
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unsigned char h_source[ETH_ALEN]; /* source ether addr */
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__be16 h_proto; /* packet type ID field */
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} __attribute__((packed));
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+#endif
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#endif /* _UAPI_LINUX_IF_ETHER_H */
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--- a/include/uapi/linux/libc-compat.h
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+++ b/include/uapi/linux/libc-compat.h
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@@ -89,6 +89,14 @@
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#endif /* _NET_IF_H */
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+/* musl defines the ethhdr struct itself in its netinet/if_ether.h.
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+ * Glibc just includes the kernel header and uses a different guard. */
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+#if defined(_NETINET_IF_ETHER_H)
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+#define __UAPI_DEF_ETHHDR 0
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+#else
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+#define __UAPI_DEF_ETHHDR 1
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+#endif
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+
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/* Coordinate with libc netinet/in.h header. */
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#if defined(_NETINET_IN_H)
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@@ -184,6 +192,9 @@
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/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
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#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
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+/* Definitions for if_ether.h */
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+#define __UAPI_DEF_ETHHDR 1
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+
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/* Definitions for in.h */
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#define __UAPI_DEF_IN_ADDR 1
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#define __UAPI_DEF_IN_IPPROTO 1
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