mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
sata_mv: safer logic for limit_warnings
There is a miniscule chance that two separate host controllers might be in sata_mv at the same time and manage to decrement the static limit_warnings variable below zero. Fix the comparison to deal with it. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
parent
a836d3e882
commit
c7843e8f56
1 changed files with 1 additions and 1 deletions
|
@ -1607,7 +1607,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
|
|||
* Much of the time, this could just work regardless.
|
||||
* So for now, just log the incident, and allow the attempt.
|
||||
*/
|
||||
if (limit_warnings && (qc->nbytes / qc->sect_size) > 1) {
|
||||
if (limit_warnings > 0 && (qc->nbytes / qc->sect_size) > 1) {
|
||||
--limit_warnings;
|
||||
ata_link_printk(qc->dev->link, KERN_WARNING, DRV_NAME
|
||||
": attempting PIO w/multiple DRQ: "
|
||||
|
|
Loading…
Reference in a new issue