powerpc/eeh: Output error number
authorGavin Shan <shangw@linux.vnet.ibm.com>
Fri, 6 Sep 2013 01:00:02 +0000 (09:00 +0800)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:54:04 +0000 (16:54 +1100)
The patch prints the error number while failing to retrieve error
log from firmware. It's helpful for debugging.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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