Commit 3ddb195c authored Nov 22, 2022 by Jiasheng Jiang Committed by Greg Kroah-Hartman Aug 11, 2023

NTB: ntb_tool: Add check for devm_kcalloc



[ 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: 7f46c8b3 ("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>

parent d22327a0

drivers/ntb/test/ntb_tool.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;