[PATCH] OneNAND: OMAP: do not use DMA if oops in progress

[Aaro.Koskinen at nokia.com]

From: Aaro Koskinen <aaro.koskinen at nokia.com>

Otherwise we may hang if we are called from panic() through mtdoops.

Signed-off-by: Aaro Koskinen <aaro.koskinen at nokia.com>
---
 drivers/mtd/onenand/omap2.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 75f38b9..dfbab6c 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -308,7 +308,7 @@ static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
 		goto out_copy;
 
 	/* panic_write() may be in an interrupt context */
-	if (in_interrupt())
+	if (in_interrupt() || oops_in_progress)
 		goto out_copy;
 
 	if (buf >= high_memory) {
@@ -385,7 +385,7 @@ static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
 		goto out_copy;
 
 	/* panic_write() may be in an interrupt context */
-	if (in_interrupt())
+	if (in_interrupt() || oops_in_progress)
 		goto out_copy;
 
 	if (buf >= high_memory) {
-- 
1.5.6.5