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dev/dax: fix uninitialized variable build warning 

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>
zero-colors
Ross Zwisler 2017-10-18 12:21:55 -06:00 committed by Dan Williams
parent 7fc9be3c13
commit 0a3ff78699
1 changed files with 2 additions and 1 deletions
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3
drivers/dax/device.c
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@ -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++) {