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| author | Dan Carpenter <error27@gmail.com> | 2010-08-12 09:58:27 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-08-12 12:31:39 +0100 |
| commit | f78ec6b2f32efad1fc6b2196e966dcec8122d689 (patch) | |
| tree | bd00138782ab4b654db4714df0b852f206341921 /drivers/mtd | |
| parent | b06cd21e2f0f75686f95afa5b71219b1408f5458 (diff) | |
| download | linux-f78ec6b2f32efad1fc6b2196e966dcec8122d689.tar.gz linux-f78ec6b2f32efad1fc6b2196e966dcec8122d689.tar.bz2 linux-f78ec6b2f32efad1fc6b2196e966dcec8122d689.zip | |
mtd/m25p80: fix test for end of loop
"plat_id" is always non-NULL here. There is a zero element on the end
of the m25p_ids[] array and if we hit the end of the loop then plat_id
points to that.
This would lead to a NULL pointer dereference later on in the function.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 83c90867240f..6f512b5c117b 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -793,7 +793,7 @@ static int __devinit m25p_probe(struct spi_device *spi) break; } - if (plat_id) + if (i < ARRAY_SIZE(m25p_ids) - 1) id = plat_id; else dev_warn(&spi->dev, "unrecognized id %s\n", data->type); |