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Subject[PATCH] Use __unused0 instead of __unused for user visible struct member names
On BSD systems __unused has traditionally been defined to mean the
equivalent of gcc's __attribute__((__unused__)), some parts of the
Linux tree use that convention too (e.g. perf). The problem comes when
defining such macro while trying to build unmodified source code with
BSD origins on systems with Linux headers.

Rename the user visible struct members from __unused to __unused0 to
not cause compilation failures due to that macro, which should not be
a problem as those members are supposed to be private anyway.

Signed-off-by: Guillem Jover <guillem@hadrons.org>
---
arch/alpha/include/asm/stat.h | 2 +-
arch/arm/include/asm/ucontext.h | 2 +-
arch/ia64/include/asm/stat.h | 2 +-
arch/mips/include/asm/compat.h | 2 +-
arch/powerpc/include/asm/ucontext.h | 2 +-
arch/s390/include/asm/stat.h | 2 +-
arch/sparc/include/asm/compat.h | 4 ++--
arch/sparc/include/asm/elf_32.h | 2 +-
arch/sparc/include/asm/elf_64.h | 2 +-
arch/sparc/include/asm/fcntl.h | 4 ++--
arch/sparc/include/asm/stat.h | 2 +-
arch/tile/include/asm/compat.h | 2 +-
arch/x86/include/asm/stat.h | 2 +-
include/linux/icmp.h | 2 +-
include/linux/sysctl.h | 2 +-
15 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/alpha/include/asm/stat.h b/arch/alpha/include/asm/stat.h
index 07ad3e6..5754865 100644
--- a/arch/alpha/include/asm/stat.h
+++ b/arch/alpha/include/asm/stat.h
@@ -42,7 +42,7 @@ struct stat64 {
unsigned long st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
- long __unused[3];
+ long __unused0[3];
};

#endif
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index 14749ae..7ea9743 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -20,7 +20,7 @@ struct ucontext {
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
- int __unused[32 - (sizeof (sigset_t) / sizeof (int))];
+ int __unused0[32 - (sizeof (sigset_t) / sizeof (int))];
/* Last for extensibility. Eight byte aligned because some
coprocessors require eight byte alignment. */
unsigned long uc_regspace[128] __attribute__((__aligned__(8)));
diff --git a/arch/ia64/include/asm/stat.h b/arch/ia64/include/asm/stat.h
index 367bb90..2ec0d4c 100644
--- a/arch/ia64/include/asm/stat.h
+++ b/arch/ia64/include/asm/stat.h
@@ -24,7 +24,7 @@ struct stat {
unsigned long st_ctime_nsec;
unsigned long st_blksize;
long st_blocks;
- unsigned long __unused[3];
+ unsigned long __unused0[3];
};

#define STAT_HAVE_NSEC 1
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index b77df03..333d49f 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -84,7 +84,7 @@ struct compat_flock {
compat_off_t l_len;
s32 l_sysid;
compat_pid_t l_pid;
- short __unused;
+ short __unused0;
s32 pad[4];
};

diff --git a/arch/powerpc/include/asm/ucontext.h b/arch/powerpc/include/asm/ucontext.h
index d9a4ddf..6121f9e 100644
--- a/arch/powerpc/include/asm/ucontext.h
+++ b/arch/powerpc/include/asm/ucontext.h
@@ -28,7 +28,7 @@ struct ucontext {
sigset_t uc_sigmask;
/* glibc has 1024-bit signal masks, ours are 64-bit */
#ifdef __powerpc64__
- sigset_t __unused[15]; /* Allow for uc_sigmask growth */
+ sigset_t __unused0[15]; /* Allow for uc_sigmask growth */
struct sigcontext uc_mcontext; /* last for extensibility */
#else
int uc_maskext[30];
diff --git a/arch/s390/include/asm/stat.h b/arch/s390/include/asm/stat.h
index d92959e..9577947 100644
--- a/arch/s390/include/asm/stat.h
+++ b/arch/s390/include/asm/stat.h
@@ -95,7 +95,7 @@ struct stat {
unsigned long st_ctime_nsec;
unsigned long st_blksize;
long st_blocks;
- unsigned long __unused[3];
+ unsigned long __unused0[3];
};

#endif /* __s390x__ */
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index b8be20d..8f20999 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -107,7 +107,7 @@ struct compat_flock {
compat_off_t l_start;
compat_off_t l_len;
compat_pid_t l_pid;
- short __unused;
+ short __unused0;
};

#define F_GETLK64 12
@@ -120,7 +120,7 @@ struct compat_flock64 {
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
- short __unused;
+ short __unused0;
};

struct compat_statfs {
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index 4269ca6..7dffbe2 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -82,7 +82,7 @@ typedef struct {
unsigned long pr_regs[32];
double pr_dregs[16];
} pr_fr;
- unsigned long __unused;
+ unsigned long __unused0;
unsigned long pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 7df8b7f..1db74f5 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -133,7 +133,7 @@ typedef struct {
unsigned int pr_regs[32];
unsigned long pr_dregs[16];
} pr_fr;
- unsigned int __unused;
+ unsigned int __unused0;
unsigned int pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h
index d0b83f6..a5e8516 100644
--- a/arch/sparc/include/asm/fcntl.h
+++ b/arch/sparc/include/asm/fcntl.h
@@ -47,8 +47,8 @@
#define F_WRLCK 2
#define F_UNLCK 3

-#define __ARCH_FLOCK_PAD short __unused;
-#define __ARCH_FLOCK64_PAD short __unused;
+#define __ARCH_FLOCK_PAD short __unused0;
+#define __ARCH_FLOCK64_PAD short __unused0;

#include <asm-generic/fcntl.h>

diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h
index a232e9e..7258fb4 100644
--- a/arch/sparc/include/asm/stat.h
+++ b/arch/sparc/include/asm/stat.h
@@ -43,7 +43,7 @@ struct stat64 {
unsigned long st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
- long __unused[3];
+ long __unused0[3];
};

#else
diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h
index bf95f55..6f31f94 100644
--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -80,7 +80,7 @@ struct compat_sysctl {
unsigned int oldlenp;
unsigned int newval;
unsigned int newlen;
- unsigned int __unused[4];
+ unsigned int __unused0[4];
};


diff --git a/arch/x86/include/asm/stat.h b/arch/x86/include/asm/stat.h
index e0b1d9b..a7fb9e5 100644
--- a/arch/x86/include/asm/stat.h
+++ b/arch/x86/include/asm/stat.h
@@ -85,7 +85,7 @@ struct stat {
unsigned long st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
- long __unused[3];
+ long __unused0[3];
};
#endif

diff --git a/include/linux/icmp.h b/include/linux/icmp.h
index 474f2a5..124e861 100644
--- a/include/linux/icmp.h
+++ b/include/linux/icmp.h
@@ -76,7 +76,7 @@ struct icmphdr {
} echo;
__be32 gateway;
struct {
- __be16 __unused;
+ __be16 __unused0;
__be16 mtu;
} frag;
} un;
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 703cfa3..9911ac5 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -40,7 +40,7 @@ struct __sysctl_args {
size_t __user *oldlenp;
void __user *newval;
size_t newlen;
- unsigned long __unused[4];
+ unsigned long __unused0[4];
};

/* Define sysctl names first */
--
1.7.7.3


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