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rapidio/rio_cm: avoid GFP_KERNEL in atomic context
As reported by Alexey Khoroshilov (https://lkml.org/lkml/2016/9/9/737): riocm_send_close() is called from rio_cm_shutdown() under spin_lock_bh(idr_lock), but riocm_send_close() uses a GFP_KERNEL allocation. Fix by taking riocm_send_close() outside of spinlock protected code. [akpm@linux-foundation.org: remove unneeded `if (!list_empty())'] Link: http://lkml.kernel.org/r/20160915175402.10122-1-alexandre.bounine@idt.com Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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