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From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, paulus@samba.org
Cc: linuxppc-dev@ozlabs.org
Subject: [PATCH 8/9] powerpc: Check RTAS extended log flag before checking length
Date: Wed, 12 Jan 2011 16:51:31 +1100	[thread overview]
Message-ID: <20110112165131.21910131@kryten> (raw)
In-Reply-To: <20110112164318.753a435b@kryten>


The spec suggests we should first check the extended log flag before checking
the length field. 

Signed-off-by: Anton Blanchard <anton@samba.org>
---

Index: powerpc.git/arch/powerpc/kernel/rtasd.c
===================================================================
--- powerpc.git.orig/arch/powerpc/kernel/rtasd.c	2010-09-27 21:19:32.405475768 +1000
+++ powerpc.git/arch/powerpc/kernel/rtasd.c	2010-10-15 13:23:42.321361102 +1100
@@ -160,7 +160,7 @@ static int log_rtas_len(char * buf)
 	/* rtas fixed header */
 	len = 8;
 	err = (struct rtas_error_log *)buf;
-	if (err->extended_log_length) {
+	if (err->extended && err->extended_log_length) {
 
 		/* extended header */
 		len += err->extended_log_length;

  parent reply	other threads:[~2011-01-12  5:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-12  5:43 [PATCH 0/9] Machine check handling fixes Anton Blanchard
2011-01-12  5:44 ` [PATCH 1/9] powerpc: Print 32 bits of DSISR in show_regs Anton Blanchard
2011-01-12  5:45 ` [PATCH 2/9] powerpc: Don't force MSR_RI in machine_check_exception Anton Blanchard
2011-01-12  5:46 ` [PATCH 3/9] powerpc: Never halt RTAS error logging after receiving an unrecoverable machine check Anton Blanchard
2011-01-12  5:47 ` [PATCH 4/9] powerpc: Remove duplicate debugger hook in machine_check_exception Anton Blanchard
2011-01-12  5:48 ` [PATCH 5/9] powerpc: Don't silently handle machine checks from userspace Anton Blanchard
2011-01-12  5:49 ` [PATCH 6/9] powerpc: Rework pseries machine check handler Anton Blanchard
2011-01-12  5:50 ` [PATCH 7/9] powerpc: Fix corruption when grabbing FWNMI data Anton Blanchard
2011-01-12  5:51 ` Anton Blanchard [this message]
2011-01-12  5:52 ` [PATCH 9/9] powerpc: machine_check_generic is wrong on 64bit Anton Blanchard

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