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x86/unwind/orc: Fix error path for bad ORC entry type 

If the ORC entry type is unknown, nothing else can be done other than
reporting an error.  Exit the function instead of breaking out of the
switch statement.

Fixes: ee9f8fce99 ("x86/unwind: Add the ORC unwinder")
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Jones <dsj@fb.com>
Cc: Jann Horn <jannh@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: https://lore.kernel.org/r/a7fa668ca6eabbe81ab18b2424f15adbbfdc810a.1587808742.git.jpoimboe@redhat.com
This commit is contained in:
Josh Poimboeuf 2020-04-25 05:06:13 -05:00 committed by Ingo Molnar
parent 98d0c8ebf7
commit a0f81bf268
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/unwind_orc.c
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@ -537,7 +537,7 @@ bool unwind_next_frame(struct unwind_state *state)
default:
orc_warn("unknown .orc_unwind entry type %d at %pB\n",
orc->type, (void *)orig_ip);
break;
goto err;
}
/* Find BP: */