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Commit 5c7aa6ff authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Fix arg passing to compat_sys_ipc(). 



Do not sign extend args using the sys32_ipc stub, that is
buggy and unnecessary.

Based upon an excellent report by Mikael Pettersson.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f6b45da1

arch/sparc64/kernel/sys32.S

+0 −1
Original line number Diff line number Diff line
@@ -91,7 +91,6 @@ SIGN1(sys32_select, compat_sys_select, %o0) 
SIGN1(sys32_mkdir, sys_mkdir, %o1)

SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)

SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)

SIGN3(sys32_ipc, compat_sys_ipc, %o1, %o2, %o3)

SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)

SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)

SIGN1(sys32_prctl, sys_prctl, %o0)

arch/sparc64/kernel/systbls.S

+1 −1
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ sys_call_table32: 
/*200*/	.word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir

	.word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64

/*210*/	.word sys32_fadvise64_64, sys32_tgkill, sys32_waitpid, sys_swapoff, compat_sys_sysinfo

	.word sys32_ipc, sys32_sigreturn, sys_clone, sys32_ioprio_get, compat_sys_adjtimex

	.word compat_sys_ipc, sys32_sigreturn, sys_clone, sys32_ioprio_get, compat_sys_adjtimex

/*220*/	.word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys32_getpgid

	.word sys32_bdflush, sys32_sysfs, sys_nis_syscall, sys32_setfsuid16, sys32_setfsgid16

/*230*/	.word sys32_select, compat_sys_time, sys32_splice, compat_sys_stime, compat_sys_statfs64