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| author |   Mustafa Ismail <mustafa.ismail@intel.com> | 2016-07-12 11:48:46 -0500 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-08-02 14:17:38 -0400 |
| commit | da5c138185006a6e92ea804046543e2ed1401229 (patch) | |
| tree | db3fedfc7ee859f117e8fa65cc42260e6558d0d9 /drivers/infiniband/hw/i40iw | |
| parent | i40iw: Change dup_ack_thresh to u8 (diff) | |
| download | linux-dev-da5c138185006a6e92ea804046543e2ed1401229.tar.xz linux-dev-da5c138185006a6e92ea804046543e2ed1401229.zip | |
i40iw: Add NULL check for puda buffer
i40iw_puda_get_listbuf may return NULL if the list is empty.
Add NULL check prior to accessing the pointer.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_puda.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c index e9c6e82af9c7..c62d354f7810 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_puda.c +++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c @@ -1025,6 +1025,8 @@ static void i40iw_ieq_compl_pfpdu(struct i40iw_puda_rsrc *ieq, u16 txoffset, bufoffset; buf = i40iw_puda_get_listbuf(pbufl); + if (!buf) + return; nextseqnum = buf->seqnum + fpdu_len; txbuf->totallen = buf->hdrlen + fpdu_len; txbuf->data = (u8 *)txbuf->mem.va + buf->hdrlen; @@ -1048,6 +1050,8 @@ static void i40iw_ieq_compl_pfpdu(struct i40iw_puda_rsrc *ieq, fpdu_len -= buf->datalen; i40iw_puda_ret_bufpool(ieq, buf); buf = i40iw_puda_get_listbuf(pbufl); + if (!buf) + return; bufoffset = (u16)(buf->data - (u8 *)buf->mem.va); } while (1); |