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| author | Jordan Crouse <jordan.crouse@amd.com> | 2007-08-01 23:46:42 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-08-01 23:46:42 +0200 |
| commit | 32a70a817acbb96fcfcc7543932222467c771207 (patch) | |
| tree | 9595b9920f97032a3f2c473c9a2479fd9e66ea6c /drivers | |
| parent | 8d4fbcfbe0a4bfc73e7f0297c59ae514e1f1436f (diff) | |
| download | op-kernel-dev-32a70a817acbb96fcfcc7543932222467c771207.zip op-kernel-dev-32a70a817acbb96fcfcc7543932222467c771207.tar.gz | |
ide: Fix an overrun found in the CS5535 IDE driver
As found by the Coverity checker, and reported by Adrian Bunk, this
fixes a overrun error in the CS5535 IDE driver. Somebody got a little
excited with the if() statement - the CS5535 only supports UDMA 0-4.
Bart:
Not a bug per se since the upper layer will never feed this function
with speed > XFER_UDMA_4 (thanks to ->ultra_mask being set to 0x1f).
Worth fixing anyway.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/pci/cs5535.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index ce44e38..9bd526d 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -116,7 +116,7 @@ static void cs5535_set_speed(ide_drive_t *drive, u8 speed) reg &= 0x80000000UL; /* Preserve the PIO format bit */ - if (speed >= XFER_UDMA_0 && speed <= XFER_UDMA_7) + if (speed >= XFER_UDMA_0 && speed <= XFER_UDMA_4) reg |= cs5535_udma_timings[speed - XFER_UDMA_0]; else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) reg |= cs5535_mwdma_timings[speed - XFER_MW_DMA_0]; |
