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| author | Adrian Hunter <adrian.hunter@nokia.com> | 2009-03-23 14:57:38 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-03-23 13:13:55 +0000 |
| commit | a29f280b739985a9e829d67af4d08e6584153495 (patch) | |
| tree | cf8aa48c5250e8314961ed137a7a78c45a80274c | |
| parent | 17b536cc43bcf2afcc20b4812f93a895881b5f4f (diff) | |
| download | blackbird-op-linux-a29f280b739985a9e829d67af4d08e6584153495.tar.gz blackbird-op-linux-a29f280b739985a9e829d67af4d08e6584153495.zip | |
[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>
| -rw-r--r-- | drivers/mtd/onenand/omap2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 77a4f1446156..2c199b30ab58 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; |
