Piteball
/
android_kernel_google_msm
mirror of https://github.com/followmsi/android_kernel_google_msm.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

seccomp: fix build warnings when there is no CONFIG_SECCOMP_FILTER 

If both audit and seccomp filter support are disabled, 'ret' is marked
as unused.

If just seccomp filter support is disabled, data and skip are considered
unused.

This change fixes those build warnings.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Will Drewry <wad@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Will Drewry 2012-04-17 14:48:58 -05:00 committed by Iliyan Malchev
parent 01bc71e06c
commit 4444d9b1b4
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
kernel/seccomp.c
View File

@ -377,8 +377,7 @@ int __secure_computing(int this_syscall)
int mode = current->seccomp.mode;
int exit_sig = 0;
int *syscall;
u32 ret = SECCOMP_RET_KILL;
int data;
u32 ret;
switch (mode) {
case SECCOMP_MODE_STRICT:
@ -392,12 +391,15 @@ int __secure_computing(int this_syscall)
return 0;
} while (*++syscall);
exit_sig = SIGKILL;
ret = SECCOMP_RET_KILL;
break;
#ifdef CONFIG_SECCOMP_FILTER
case SECCOMP_MODE_FILTER:
case SECCOMP_MODE_FILTER: {
int data;
ret = seccomp_run_filters(this_syscall);
data = ret & SECCOMP_RET_DATA;
switch (ret & SECCOMP_RET_ACTION) {
ret &= SECCOMP_RET_ACTION;
switch (ret) {
case SECCOMP_RET_ERRNO:
/* Set the low-order 16-bits as a errno. */
syscall_set_return_value(current, task_pt_regs(current),
@ -432,6 +434,7 @@ int __secure_computing(int this_syscall)
}
exit_sig = SIGSYS;
break;
}
#endif
default:
BUG();
@ -442,8 +445,10 @@ int __secure_computing(int this_syscall)
#endif
audit_seccomp(this_syscall, exit_sig, ret);
do_exit(exit_sig);
#ifdef CONFIG_SECCOMP_FILTER
skip:
audit_seccomp(this_syscall, exit_sig, ret);
#endif
return -1;
}