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authorRoss Zwisler <ross.zwisler@linux.intel.com>2017-10-18 12:21:55 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-20 10:10:34 +0100
commit4684da79d20edf232e33442775506e600fc4fe6f (patch)
tree3396ebe14b12f7e64599fea04b2967258320ff53 /drivers/dax
parent93fc8284472124140a7946c4e5f555e06808f4a2 (diff)
dev/dax: fix uninitialized variable build warning
[ 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/device.c3
1 files changed, 2 insertions, 1 deletions
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++) {