rtc: rtc-sh - fix a memory leak

request_mem_region() will call kzalloc to allocate memory for struct resource.
release_resource() unregisters the resource but does not free the allocated
memory, thus use release_mem_region() instead to fix the memory leak.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 5efbd5990ff8dee1ea6431540405082303fd3119..06e41ed9323080475a5639eed3dde6b589c84fc1 100644 (file)
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -761,7 +761,7 @@ err_unmap:
        clk_put(rtc->clk);
        iounmap(rtc->regbase);
 err_badmap:
-       release_resource(rtc->res);
+       release_mem_region(rtc->res->start, rtc->regsize);
 err_badres:
        kfree(rtc);
 
@@ -786,7 +786,7 @@ static int __exit sh_rtc_remove(struct platform_device *pdev)
        }
 
        iounmap(rtc->regbase);
-       release_resource(rtc->res);
+       release_mem_region(rtc->res->start, rtc->regsize);
 
        clk_disable(rtc->clk);
        clk_put(rtc->clk);