diff mbox series

[5.14,377/432] usb: isp1760: fix memory pool initialization

Message ID 20210916155823.594534994@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

gregkh@linuxfoundation.org Sept. 16, 2021, 4:02 p.m. UTC 
From: Rui Miguel Silva <rui.silva@linaro.org>


[ Upstream commit f757f9291f920e1da4c6cfd4064c6bf59639983e ]

The loops to setup the memory pool were skipping some
blocks, that was not visible on the ISP1763 because it has
fewer blocks than the ISP1761. But won testing on that IP
from the family that would be an issue.

Reported-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>

Link: https://lore.kernel.org/r/20210827131154.4151862-2-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: Sasha Levin <sashal@kernel.org>

---
 drivers/usb/isp1760/isp1760-hcd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.30.2
diff mbox series

Patch

diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index 27168b4a4ef2..ffb3a0c8c909 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -588,8 +588,8 @@  static void init_memory(struct isp1760_hcd *priv)
 
 	payload_addr = PAYLOAD_OFFSET;
 
-	for (i = 0, curr = 0; i < ARRAY_SIZE(mem->blocks); i++) {
-		for (j = 0; j < mem->blocks[i]; j++, curr++) {
+	for (i = 0, curr = 0; i < ARRAY_SIZE(mem->blocks); i++, curr += j) {
+		for (j = 0; j < mem->blocks[i]; j++) {
 			priv->memory_pool[curr + j].start = payload_addr;
 			priv->memory_pool[curr + j].size = mem->blocks_size[i];
 			priv->memory_pool[curr + j].free = 1;