The pmem driver calls devm_memremap() to map a persistent memory range. When the pmem driver is unloaded, this memremap'd range is not released.
Fix devm_memremap_release() to handle a given memremap'd address properly. Signed-off-by: Toshi Kani <[email protected]> Cc: Dan Williams <[email protected]> Cc: Andrew Morton <[email protected]> --- kernel/memremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/memremap.c b/kernel/memremap.c index 2c468de..7a1b5c3 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -114,7 +114,7 @@ EXPORT_SYMBOL(memunmap); static void devm_memremap_release(struct device *dev, void *res) { - memunmap(res); + memunmap(*(void **)res); } static int devm_memremap_match(struct device *dev, void *res, void *match_data)
