[Xen-devel] [PATCH][XEN] __trap_to_gdb should return something different

[Jimi Xenidis <jimix@xxxxxxxxxxxxxx>]

--text follows this line--

This patch allows the caller to find out if the gdbstub actually did
anything.

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>

---

diff -r e0bb62683805 xen/common/gdbstub.c
--- a/xen/common/gdbstub.c      Fri Sep 22 11:02:47 2006 -0400
+++ b/xen/common/gdbstub.c      Fri Sep 22 11:07:16 2006 -0400
@@ -481,7 +481,7 @@ __trap_to_gdb(struct cpu_user_regs *regs
     if ( gdb_ctx->serhnd < 0 )
     {
         dbg_printk("Debugger not ready yet.\n");
-        return 0;
+        return -1;
     }
 
     /* We rely on our caller to ensure we're only on one processor
@@ -500,7 +500,7 @@ __trap_to_gdb(struct cpu_user_regs *regs
     {
         printk("WARNING WARNING WARNING: Avoiding recursive gdb.\n");
         atomic_inc(&gdb_ctx->running);
-        return 0;
+        return -1;
     }
 
     if ( !gdb_ctx->connected )

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