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(parent: 3df76a9) | patch
powerpc/powernv: Skip registering log region when CONFIG_PRINTK=n
authorPranith Kumar <bobby.prani@gmail.com>
Thu, 22 Jan 2015 02:26:09 +0000 (21:26 -0500)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 27 Jan 2015 03:04:00 +0000 (14:04 +1100)
commit6501ab5e380cf25dad85705856bfdde439dbcbd2
tree8f070717ef59e97ddfdf0be3234d679d60e27f81tree | snapshot (tar.gz zip)
parent3df76a9dcc74d5f012b94ea01ed6e7aaf8362c5acommit | diff
powerpc/powernv: Skip registering log region when CONFIG_PRINTK=n

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>
arch/powerpc/platforms/powernv/opal.c diff | blob | blame | history