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Subject[PATCH 5/8] uml: TT - SYSCALL_DEBUG - fix buglet introduced in cleanup
Date

Fixes a bug introduced in commit e32dacb9f481fd6decb41adb28e720c923d34f54 -
index is initialized based on syscall before syscall is calculated.

I'm bothering with this mainly because it gives a correct warning when the config
option is enabled, even if the code is for a almost unused debugging option.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
---

arch/um/kernel/tt/syscall_kern.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/um/kernel/tt/syscall_kern.c b/arch/um/kernel/tt/syscall_kern.c
index 3d29c90..3fda9a0 100644
--- a/arch/um/kernel/tt/syscall_kern.c
+++ b/arch/um/kernel/tt/syscall_kern.c
@@ -23,16 +23,20 @@ void syscall_handler_tt(int sig, struct
int syscall;
#ifdef CONFIG_SYSCALL_DEBUG
int index;
- index = record_syscall_start(syscall);
#endif
sc = UPT_SC(&regs->regs);
SC_START_SYSCALL(sc);

+ syscall = UPT_SYSCALL_NR(&regs->regs);
+
+#ifdef CONFIG_SYSCALL_DEBUG
+ index = record_syscall_start(syscall);
+#endif
+
syscall_trace(&regs->regs, 0);

current->thread.nsyscalls++;
nsyscalls++;
- syscall = UPT_SYSCALL_NR(&regs->regs);

if((syscall >= NR_syscalls) || (syscall < 0))
result = -ENOSYS;
-
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