linux-kernel - [43/98] edac, mce: Fix wrong mask and macro usage

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Date:	Mon, 10 May 2010 15:34:55 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Borislav Petkov <borislav.petkov@....com>
Subject: [43/98] edac, mce: Fix wrong mask and macro usage

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Borislav Petkov <borislav.petkov@....com>

commit 35d824b28fc5544d1eb7c1e3db15a1740df8ec4b upstream.

Correct two mishaps which prevented reporting error type (CECC vs UECC)
and extended error description.

Signed-off-by: Borislav Petkov <borislav.petkov@....com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/edac/edac_mce_amd.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -295,7 +295,6 @@ wrong_ls_mce:
 void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
 {
 	u32 ec  = ERROR_CODE(regs->nbsl);
-	u32 xec = EXT_ERROR_CODE(regs->nbsl);
 
 	if (!handle_errors)
 		return;
@@ -319,7 +318,7 @@ void amd_decode_nb_mce(int node_id, stru
 		pr_cont("\n");
 	}
 
-	pr_emerg("%s.\n", EXT_ERR_MSG(xec));
+	pr_emerg("%s.\n", EXT_ERR_MSG(regs->nbsl));
 
 	if (BUS_ERROR(ec) && nb_bus_decoder)
 		nb_bus_decoder(node_id, regs);
@@ -382,7 +381,7 @@ static void amd_decode_mce(struct mce *m
 		 ((m->status & MCI_STATUS_PCC) ? "yes" : "no"));
 
 	/* do the two bits[14:13] together */
-	ecc = m->status & (3ULL << 45);
+	ecc = (m->status >> 45) & 0x3;
 	if (ecc)
 		pr_cont(", %sECC Error", ((ecc == 2) ? "C" : "U"));
 


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