powerpc/powernv: Skip registering log region when CONFIG_PRINTK=n

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When CONFIG_PRINTK=n, log_buf_addr_get() returns NULL and log_buf_len_get()
return 0. Check for these return values and skip registering the dump buffer.

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Pranith Kumar 2015-01-21 21:26:09 -05:00 • committed by Michael Ellerman

parent 3df76a9dcc

commit 6501ab5e38

1 changed files with 6 additions and 0 deletions

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arch/powerpc/platforms/powernv/opal.c

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