From: Ross Zwisler ross.zwisler@linux.intel.com
[ 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@linux.intel.com Signed-off-by: Dan Williams dan.j.williams@intel.com Signed-off-by: Sasha Levin alexander.levin@verizon.com --- drivers/dax/device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 375b99bca002..7b0bf825c4e7 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -222,7 +222,8 @@ __weak phys_addr_t dax_pgoff_to_phys(struct dev_dax *dev_dax, pgoff_t pgoff, 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++) {