Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 05:02:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

qed: Fix the VF msix vectors flow

Browse Source 
For VFs we should return with an error in case we didn't get the exact
number of msix vectors as we requested.
Not doing that will lead to a crash when starting queues for this VF.

Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shai Malin 2021-08-22 22:21:14 +03:00 committed by David S. Miller
parent 14315498f5
commit b0cd08537d
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/ethernet/qlogic/qed/qed_main.c
View File

@ -616,7 +616,12 @@ static int qed_enable_msix(struct qed_dev *cdev,
rc = cnt;
}
if (rc > 0) {
/* For VFs, we should return with an error in case we didn't get the
* exact number of msix vectors as we requested.
* Not doing that will lead to a crash when starting queues for
* this VF.
*/
if ((IS_PF(cdev) && rc > 0) || (IS_VF(cdev) && rc == cnt)) {
/* MSI-x configuration was achieved */
int_params->out.int_mode = QED_INT_MODE_MSIX;
int_params->out.num_vectors = rc;