Commit 66923a60 authored Jan 24, 2016 by Saurabh Sengar Committed by Scott Wood Mar 09, 2016

qe: Use GFP_ATOMIC while spin_lock_irqsave is held



cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>

parent 713df30b

drivers/soc/fsl/qe/qe_common.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -121,7 +121,7 @@ static unsigned long cpm_muram_alloc_common(unsigned long size,
		goto out2;
		start = start - GENPOOL_OFFSET;
		memset_io(cpm_muram_addr(start), 0, size);
		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
		entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
		if (!entry)
		goto out1;
		entry->start = start;