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authorLinus Torvalds <torvalds@linux-foundation.org>2023-04-23 18:15:33 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-04-23 18:15:33 +0300
commit5ad250f1fe92f21de09dabcd329e681d15aed9a4 (patch)
tree276e8329ea9a16b94486b7a8a0eac91a28ef7972 /drivers
parent97249f05b27385b7f870d8e2e6062e26e5f132e8 (diff)
parente3c026be4d3ca046799fde55ccbae9d0f059fb93 (diff)
downloadlinux-5ad250f1fe92f21de09dabcd329e681d15aed9a4.tar.xz
Merge tag 'irq_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov: - Remove an over-zealous sanity check of the array of MSI-X vectors to be allocated for a device * tag 'irq_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: PCI/MSI: Remove over-zealous hardware size check in pci_msix_validate_entries()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/msi/msi.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
index 1f716624ca56..ef1d8857a51b 100644
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -750,8 +750,7 @@ out_disable:
return ret;
}
-static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *entries,
- int nvec, int hwsize)
+static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *entries, int nvec)
{
bool nogap;
int i, j;
@@ -762,10 +761,6 @@ static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *en
nogap = pci_msi_domain_supports(dev, MSI_FLAG_MSIX_CONTIGUOUS, DENY_LEGACY);
for (i = 0; i < nvec; i++) {
- /* Entry within hardware limit? */
- if (entries[i].entry >= hwsize)
- return false;
-
/* Check for duplicate entries */
for (j = i + 1; j < nvec; j++) {
if (entries[i].entry == entries[j].entry)
@@ -805,7 +800,7 @@ int __pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, int
if (hwsize < 0)
return hwsize;
- if (!pci_msix_validate_entries(dev, entries, nvec, hwsize))
+ if (!pci_msix_validate_entries(dev, entries, nvec))
return -EINVAL;
if (hwsize < nvec) {