From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ Upstream commit 2790143f09938776a3b4f69685b380bae8fd06c7 ]
As the devm_kcalloc may return NULL pointer, it should be better to add check for the return value, as same as the others.
Fixes: 7f46c8b3a552 ("NTB: ntb_tool: Add full multi-port NTB API support") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Reviewed-by: Serge Semin fancer.lancer@gmail.com Reviewed-by: Dave Jiang dave.jiang@intel.com Signed-off-by: Jon Mason jdmason@kudzu.us Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/ntb/test/ntb_tool.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c index 6301aa413c3b8..1f64146546221 100644 --- a/drivers/ntb/test/ntb_tool.c +++ b/drivers/ntb/test/ntb_tool.c @@ -998,6 +998,8 @@ static int tool_init_mws(struct tool_ctx *tc) tc->peers[pidx].outmws = devm_kcalloc(&tc->ntb->dev, tc->peers[pidx].outmw_cnt, sizeof(*tc->peers[pidx].outmws), GFP_KERNEL); + if (tc->peers[pidx].outmws == NULL) + return -ENOMEM;
for (widx = 0; widx < tc->peers[pidx].outmw_cnt; widx++) { tc->peers[pidx].outmws[widx].pidx = pidx;