From a29f280b739985a9e829d67af4d08e6584153495 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 23 Mar 2009 14:57:38 +0200 Subject: [MTD] [OneNAND] omap2: panic_write may be in an interrupt context panic_write may read in an interrupt context. Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- drivers/mtd/onenand/omap2.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 77a4f14..2c199b3 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -294,6 +294,10 @@ static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area, if (bram_offset & 3 || (size_t)buf & 3 || count < 384) goto out_copy; + /* panic_write() may be in an interrupt context */ + if (in_interrupt()) + goto out_copy; + if (buf >= high_memory) { struct page *p1; -- cgit v1.1