| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 145/178] dev/dax: fix uninitialized variable build warning | Date | Mon, 18 Dec 2017 16:49:41 +0100 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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++) {
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