leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pata_legacy: bogus clock in opti82c46x_set_piomode()

Browse Source 
"sysclk" is used as an index into a 4 element array.  My static
checker complains because it can be out of bounds.  From the
context, it looks like there is a right bit shift missing.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Dan Carpenter 2013-03-11 14:41:51 +03:00 committed by Jeff Garzik
parent bdfa2e7e5a
commit e0044c9822
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ata/pata_legacy.c
View File

@ -542,7 +542,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
u8 sysclk;
/* Get the clock */
sysclk = opti_syscfg(0xAC) & 0xC0; /* BIOS set */
sysclk = (opti_syscfg(0xAC) & 0xC0) >> 6; /* BIOS set */
/* Enter configuration mode */
ioread16(ap->ioaddr.error_addr);