This is a note to let you know that I've just added the patch titled dev/dax: fix uninitialized variable build warning to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: dev-dax-fix-uninitialized-variable-build-warning.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon Dec 18 13:28:59 CET 2017 From: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Date: Wed, 18 Oct 2017 12:21:55 -0600 Subject: dev/dax: fix uninitialized variable build warning From: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> [ Upstream commit 0a3ff78699d1817e711441715d22665475466036 ] Fix this build warning: warning: 'phys' may be used uninitialized in this function [-Wuninitialized] As reported here: https://lkml.org/lkml/2017/10/16/152 http://kisskb.ellerman.id.au/kisskb/buildresult/13181373/log/ Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/dax/device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -222,7 +222,8 @@ __weak phys_addr_t dax_pgoff_to_phys(str unsigned long size) { struct resource *res; - phys_addr_t phys; + /* gcc-4.6.3-nolibc for i386 complains that this is uninitialized */ + phys_addr_t uninitialized_var(phys); int i; for (i = 0; i < dev_dax->num_resources; i++) { Patches currently in stable-queue which might be from ross.zwisler@xxxxxxxxxxxxxxx are queue-4.14/dev-dax-fix-uninitialized-variable-build-warning.patch