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authorIngo Molnar <mingo@elte.hu>2009-04-29 14:46:59 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-29 14:47:05 +0200
commite7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a (patch)
tree4ba588631dd8189a818a91c9e3976526071178b6 /kernel/sys.c
parent1130b0296184bc21806225fd06d533515a99d2db (diff)
parent56a50adda49b2020156616c4eb15353e0f9ad7de (diff)
downloadlwn-e7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a.tar.gz
lwn-e7fd5d4b3d240f42c30a9e3d20a4689c4d3a795a.zip
Merge branch 'linus' into perfcounters/core
Merge reason: This brach was on -rc1, refresh it to almost-rc4 to pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 14c4c5613118..438d99a38c87 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -361,6 +361,7 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
void __user *, arg)
{
char buffer[256];
+ int ret = 0;
/* We only trust the superuser with rebooting the system. */
if (!capable(CAP_SYS_BOOT))
@@ -398,7 +399,7 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
kernel_halt();
unlock_kernel();
do_exit(0);
- break;
+ panic("cannot halt");
case LINUX_REBOOT_CMD_POWER_OFF:
kernel_power_off();
@@ -418,29 +419,22 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
#ifdef CONFIG_KEXEC
case LINUX_REBOOT_CMD_KEXEC:
- {
- int ret;
- ret = kernel_kexec();
- unlock_kernel();
- return ret;
- }
+ ret = kernel_kexec();
+ break;
#endif
#ifdef CONFIG_HIBERNATION
case LINUX_REBOOT_CMD_SW_SUSPEND:
- {
- int ret = hibernate();
- unlock_kernel();
- return ret;
- }
+ ret = hibernate();
+ break;
#endif
default:
- unlock_kernel();
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
unlock_kernel();
- return 0;
+ return ret;
}
static void deferred_cad(struct work_struct *dummy)