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authorWu Fengguang <fengguang.wu@intel.com>2010-02-02 13:44:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-02 18:11:22 -0800
commitc85e9a97c4102ce2e83112da850d838cfab5ab13 (patch)
tree7c3216be064c82eb2c7793d3d078d45a3bfc6f4c /scripts/kconfig/qconf.h
parent325fda71d0badc1073dc59f12a948f24ff05796a (diff)
devmem: fix kmem write bug on memory holes
write_kmem() used to assume vwrite() always return the full buffer length. However now vwrite() could return 0 to indicate memory hole. This creates a bug that "buf" is not advanced accordingly. Fix it to simply ignore the return value, hence the memory hole. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Tejun Heo <tj@kernel.org> Cc: Nick Piggin <npiggin@suse.de> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/kconfig/qconf.h')
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