This is a note to let you know that I've just added the patch titled
NTB: ntb_tool: Add check for devm_kcalloc
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ntb-ntb_tool-add-check-for-devm_kcalloc.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f72bc20308a55f4ea33714c839246367d246b89d
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Tue Nov 22 11:32:44 2022 +0800
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: 7f46c8b3a552 ("NTB: ntb_tool: Add full multi-port NTB API support")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Signed-off-by: Jon Mason <jdmason@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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;
