ipc: Fix building compat mode without sysvipc

arndb · arndb · commit 7e89a37c477c · 2019-03-06T16:00:56.000+01:00
As John Stultz noticed, my y2038 syscall series caused a link
failure when CONFIG_SYSVIPC is disabled but CONFIG_COMPAT is
enabled:

arch/arm64/kernel/sys32.o:(.rodata+0x960): undefined reference to `__arm64_compat_sys_old_semctl'
arch/arm64/kernel/sys32.o:(.rodata+0x980): undefined reference to `__arm64_compat_sys_old_msgctl'
arch/arm64/kernel/sys32.o:(.rodata+0x9a0): undefined reference to `__arm64_compat_sys_old_shmctl'

Add the missing entries in kernel/sys_ni.c for the new system
calls.

Cc: Laura Abbott &lt;labbott@redhat.com&gt;
Cc: John Stultz &lt;john.stultz@linaro.org&gt;
Cc: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Signed-off-by: Arnd Bergmann &lt;arnd@arndb.de&gt;
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
@@ -202,6 +202,7 @@ COND_SYSCALL(msgget);
 COND_SYSCALL(old_msgctl);
 COND_SYSCALL(msgctl);
 COND_SYSCALL_COMPAT(msgctl);
+COND_SYSCALL_COMPAT(old_msgctl);
 COND_SYSCALL(msgrcv);
 COND_SYSCALL_COMPAT(msgrcv);
 COND_SYSCALL(msgsnd);
@@ -212,6 +213,7 @@ COND_SYSCALL(semget);
 COND_SYSCALL(old_semctl);
 COND_SYSCALL(semctl);
 COND_SYSCALL_COMPAT(semctl);
+COND_SYSCALL_COMPAT(old_semctl);
 COND_SYSCALL(semtimedop);
 COND_SYSCALL(semtimedop_time32);
 COND_SYSCALL(semop);
@@ -221,6 +223,7 @@ COND_SYSCALL(shmget);
 COND_SYSCALL(old_shmctl);
 COND_SYSCALL(shmctl);
 COND_SYSCALL_COMPAT(shmctl);
+COND_SYSCALL_COMPAT(old_shmctl);
 COND_SYSCALL(shmat);
 COND_SYSCALL_COMPAT(shmat);
 COND_SYSCALL(shmdt);
