[PATCH for-next 8/8] i40iw: Add NULL check for puda buffer
DORMANTno replies
From: Shiraz Saleem <hidden>
Date: 2016-07-12 16:48:46
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Mustafa Ismail <redacted> 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 <redacted> Signed-off-by: Shiraz Saleem <redacted> --- drivers/infiniband/hw/i40iw/i40iw_puda.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c
index e9c6e82..c62d354 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);
--
2.8.0
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