[PATCH v2] firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool()

From: Christophe JAILLET
Date: Tue Jun 06 2023 - 23:43:54 EST


svc_create_memory_pool() is only called from stratix10_svc_drv_probe().
Most of resources in the probe are managed, but not this memremap() call.

There is also no memunmap() call in the file.

So switch to devm_memremap() to avoid a resource leak.

Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
v2: add Fixes tag
---
drivers/firmware/stratix10-svc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c
index 80f4e2d14e04..2d674126160f 100644
--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -755,7 +755,7 @@ svc_create_memory_pool(struct platform_device *pdev,
end = rounddown(sh_memory->addr + sh_memory->size, PAGE_SIZE);
paddr = begin;
size = end - begin;
- va = memremap(paddr, size, MEMREMAP_WC);
+ va = devm_memremap(dev, paddr, size, MEMREMAP_WC);
if (!va) {
dev_err(dev, "fail to remap shared memory\n");
return ERR_PTR(-EINVAL);
--
2.34.1