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authorDavid S. Miller <davem@davemloft.net>2017-08-10 12:09:13 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-10 12:09:13 -0700
commit2f7043a37708110aa98262b91702da6bc32e17b6 (patch)
treede0525dae8420a56f9a00def631ccc0108d9d091 /drivers/infiniband/hw/hfi1/chip.c
parent4d9fbf539b52810cd2903719b181ed3d3ccd861f (diff)
parent26273939ace935dd7553b31d279eab30b40f7b9a (diff)
downloadtalos-op-linux-2f7043a37708110aa98262b91702da6bc32e17b6.tar.gz
talos-op-linux-2f7043a37708110aa98262b91702da6bc32e17b6.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
-rw-r--r--drivers/infiniband/hw/hfi1/chip.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 2ba00b89df6a..94b54850ec75 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -12847,7 +12847,12 @@ static void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr)
/* clear from the handled mask of the general interrupt */
m = isrc / 64;
n = isrc % 64;
- dd->gi_mask[m] &= ~((u64)1 << n);
+ if (likely(m < CCE_NUM_INT_CSRS)) {
+ dd->gi_mask[m] &= ~((u64)1 << n);
+ } else {
+ dd_dev_err(dd, "remap interrupt err\n");
+ return;
+ }
/* direct the chip source to the given MSI-X interrupt */
m = isrc / 8;
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