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

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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>
This commit is contained in:
Adrian Hunter 2009-03-23 14:57:38 +02:00 committed by David Woodhouse
parent 17b536cc43
commit a29f280b73
1 changed files with 4 additions and 0 deletions
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4
drivers/mtd/onenand/omap2.c
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@ -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;