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IB/hfi1: Fix potential NULL ptr dereference 

This fixes potential NULL ptr dereference because IS_ERR(dd) doesn't
handle NULL. Fix the issue by initializing the pointer with a not NULL
error code.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Tadeusz Struk 2016-06-09 07:51:45 -07:00 committed by Doug Ledford
parent 5e9ef24619
commit 93dd0a0978
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hfi1/init.c
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@ -1383,7 +1383,7 @@ static void postinit_cleanup(struct hfi1_devdata *dd)
static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int ret = 0, j, pidx, initfail;
struct hfi1_devdata *dd = NULL;
struct hfi1_devdata *dd = ERR_PTR(-EINVAL);
struct hfi1_pportdata *ppd;
/* First, lock the non-writable module parameters */