firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool()

Message ID c3eadd5621e39aea6ac2f6504ac84d3abdc54637.1686109244.git.christophe.jaillet@wanadoo.fr
State New
Headers
Series firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool() |

Commit Message

Christophe JAILLET June 7, 2023, 3:40 a.m. UTC
  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.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/firmware/stratix10-svc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

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);