Messages in this thread Patch in this message | | | From | Toshi Kani <> | Subject | [PATCH] devm_memremap_release: fix memremap'd addr handling | Date | Tue, 16 Feb 2016 09:30:27 -0700 |
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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 <toshi.kani@hpe.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> --- 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)
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