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Commit 2ae80c43 authored by Al Viro's avatar Al Viro
Browse files

sparc: no need to sign-extend in sync_file_range() wrapper 



the first argument will be sign-extended by sys_sync_file_range()
SYSCALL_DEFINE-generate wrapper; the last argument is unsigned int,
so the same wrapper will will truncate it anyway.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 728ee06c

arch/sparc/kernel/sys32.S

+0 −1
Original line number Diff line number Diff line
@@ -48,7 +48,6 @@ SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5) 
SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)

SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)

SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)

SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)



	.globl		sys32_mmap2

sys32_mmap2:

arch/sparc/kernel/sys_sparc32.c

+1 −1
Original line number Diff line number Diff line
@@ -238,7 +238,7 @@ long compat_sys_fadvise64_64(int fd, 
				advice);

}



long compat_sync_file_range(int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, int flags)

long sys32_sync_file_range(unsigned int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, unsigned int flags)

{

	return sys_sync_file_range(fd,

				   (off_high << 32) | off_low,