mtd: OneNAND: do not use DMA if oops in progress
Otherwise we may hang if we are called from panic() through mtdoops.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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 @@
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 @@
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) {