[MTD] [OneNAND] omap2: panic_write may be in an interrupt context

panic_write may read in an interrupt context. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
git-mirror · Mar 23, 2009 · a29f280 · a29f280
1 parent 17b536c
commit a29f280
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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;