linux-kernel - [PATCH 3.12 17/39] pm: use GFP_ATOMIC when pm core call this function

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Date:	Mon, 25 Jan 2016 12:49:58 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Scott Jiang <scott.jiang.linux@...il.com>,
	Oliver Neukum <ONeukum@...e.com>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 17/39] pm: use GFP_ATOMIC when pm core call this function

From: Scott Jiang <scott.jiang.linux@...il.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit aefefe92116b776203f95f3249ae61b94f73f170 upstream.

We shouldn't sleep in atomic sections.

Signed-off-by: Scott Jiang <scott.jiang.linux@...il.com>
Cc: Oliver Neukum <ONeukum@...e.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/blackfin/mach-common/pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index 87bfe549ad3f..92273fa6804a 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -144,7 +144,7 @@ int bfin_pm_suspend_mem_enter(void)
 
 	unsigned char *memptr = kmalloc(L1_CODE_LENGTH + L1_DATA_A_LENGTH
 					 + L1_DATA_B_LENGTH + L1_SCRATCH_LENGTH,
-					  GFP_KERNEL);
+					  GFP_ATOMIC);
 
 	if (memptr == NULL) {
 		panic("bf53x_suspend_l1_mem malloc failed");
-- 
2.7.0