'__unused' is defined as a macro by some BSD-derived userland software. We should avoid using it in the UAPI.
References: https://bugs.debian.org/522773 Reported-by: Thorsten Glaser <[email protected]> Signed-off-by: Ben Hutchings <[email protected]> --- Build-tested on x86 only. I also grepped for uses of the supposedly __unused fields on other architectures and found nothing. Ben. arch/alpha/include/uapi/asm/stat.h | 2 +- arch/arm64/include/uapi/asm/ucontext.h | 2 +- arch/ia64/include/uapi/asm/stat.h | 2 +- arch/powerpc/include/uapi/asm/ucontext.h | 2 +- arch/s390/include/uapi/asm/stat.h | 2 +- arch/s390/include/uapi/asm/ucontext.h | 4 ++-- arch/sparc/include/uapi/asm/fcntl.h | 4 ++-- arch/sparc/include/uapi/asm/stat.h | 2 +- arch/x86/include/uapi/asm/stat.h | 8 ++++---- include/uapi/linux/icmp.h | 2 +- include/uapi/linux/sysctl.h | 2 +- 11 files changed, 16 insertions(+), 16 deletions(-) diff --git a/arch/alpha/include/uapi/asm/stat.h b/arch/alpha/include/uapi/asm/stat.h index 07ad3e6b3f3e..f13899ad8d85 100644 --- a/arch/alpha/include/uapi/asm/stat.h +++ b/arch/alpha/include/uapi/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 __unused1[3]; }; #endif diff --git a/arch/arm64/include/uapi/asm/ucontext.h b/arch/arm64/include/uapi/asm/ucontext.h index 791de8e89e35..37b343d2492e 100644 --- a/arch/arm64/include/uapi/asm/ucontext.h +++ b/arch/arm64/include/uapi/asm/ucontext.h @@ -24,7 +24,7 @@ struct ucontext { stack_t uc_stack; sigset_t uc_sigmask; /* glibc uses a 1024-bit sigset_t */ - __u8 __unused[1024 / 8 - sizeof(sigset_t)]; + __u8 __unused1[1024 / 8 - sizeof(sigset_t)]; /* last for future expansion */ struct sigcontext uc_mcontext; }; diff --git a/arch/ia64/include/uapi/asm/stat.h b/arch/ia64/include/uapi/asm/stat.h index 367bb90cdffa..aa1e4f942942 100644 --- a/arch/ia64/include/uapi/asm/stat.h +++ b/arch/ia64/include/uapi/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 __unused1[3]; }; #define STAT_HAVE_NSEC 1 diff --git a/arch/powerpc/include/uapi/asm/ucontext.h b/arch/powerpc/include/uapi/asm/ucontext.h index d9a4ddf0cc86..cb08c035e427 100644 --- a/arch/powerpc/include/uapi/asm/ucontext.h +++ b/arch/powerpc/include/uapi/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 __unused1[15]; /* Allow for uc_sigmask growth */ struct sigcontext uc_mcontext; /* last for extensibility */ #else int uc_maskext[30]; diff --git a/arch/s390/include/uapi/asm/stat.h b/arch/s390/include/uapi/asm/stat.h index b4ca97d91466..5e493c1aa1f6 100644 --- a/arch/s390/include/uapi/asm/stat.h +++ b/arch/s390/include/uapi/asm/stat.h @@ -93,7 +93,7 @@ struct stat { unsigned long st_ctime_nsec; unsigned long st_blksize; long st_blocks; - unsigned long __unused[3]; + unsigned long __unused1[3]; }; #endif /* __s390x__ */ diff --git a/arch/s390/include/uapi/asm/ucontext.h b/arch/s390/include/uapi/asm/ucontext.h index 64a69aa5dde0..59d915f9ac27 100644 --- a/arch/s390/include/uapi/asm/ucontext.h +++ b/arch/s390/include/uapi/asm/ucontext.h @@ -23,7 +23,7 @@ struct ucontext_extended { _sigregs uc_mcontext; sigset_t uc_sigmask; /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ - unsigned char __unused[128 - sizeof(sigset_t)]; + unsigned char __unused1[128 - sizeof(sigset_t)]; _sigregs_ext uc_mcontext_ext; }; @@ -34,7 +34,7 @@ struct ucontext { _sigregs uc_mcontext; sigset_t uc_sigmask; /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ - unsigned char __unused[128 - sizeof(sigset_t)]; + unsigned char __unused1[128 - sizeof(sigset_t)]; }; #endif /* !_ASM_S390_UCONTEXT_H */ diff --git a/arch/sparc/include/uapi/asm/fcntl.h b/arch/sparc/include/uapi/asm/fcntl.h index 7e8ace5bf760..9f5d4383170a 100644 --- a/arch/sparc/include/uapi/asm/fcntl.h +++ b/arch/sparc/include/uapi/asm/fcntl.h @@ -48,8 +48,8 @@ #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 __unused1; +#define __ARCH_FLOCK64_PAD short __unused1; #include <asm-generic/fcntl.h> diff --git a/arch/sparc/include/uapi/asm/stat.h b/arch/sparc/include/uapi/asm/stat.h index a232e9e1f4e5..0b4b4ae9a05d 100644 --- a/arch/sparc/include/uapi/asm/stat.h +++ b/arch/sparc/include/uapi/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 __unused1[3]; }; #else diff --git a/arch/x86/include/uapi/asm/stat.h b/arch/x86/include/uapi/asm/stat.h index bc03eb5d6360..64ba4e324f57 100644 --- a/arch/x86/include/uapi/asm/stat.h +++ b/arch/x86/include/uapi/asm/stat.h @@ -99,15 +99,15 @@ struct stat { __kernel_ulong_t st_mtime_nsec; __kernel_ulong_t st_ctime; __kernel_ulong_t st_ctime_nsec; - __kernel_long_t __unused[3]; + __kernel_long_t __unused1[3]; }; /* We don't need to memset the whole thing just to initialize the padding */ #define INIT_STRUCT_STAT_PADDING(st) do { \ st.__pad0 = 0; \ - st.__unused[0] = 0; \ - st.__unused[1] = 0; \ - st.__unused[2] = 0; \ + st.__unused1[0] = 0; \ + st.__unused1[1] = 0; \ + st.__unused1[2] = 0; \ } while (0) #endif diff --git a/include/uapi/linux/icmp.h b/include/uapi/linux/icmp.h index 16fff055f734..78d71b13f9e5 100644 --- a/include/uapi/linux/icmp.h +++ b/include/uapi/linux/icmp.h @@ -76,7 +76,7 @@ struct icmphdr { } echo; __be32 gateway; struct { - __be16 __unused; + __be16 __unused1; __be16 mtu; } frag; } un; diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h index 0956373b56db..177aa35a8ce8 100644 --- a/include/uapi/linux/sysctl.h +++ b/include/uapi/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 __unused1[4]; }; /* Define sysctl names first */
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