Messages in this thread Patch in this message | | | From | Ross Zwisler <> | Subject | [PATCH v2] dev/dax: fix uninitialized variable build warning | Date | Wed, 18 Oct 2017 12:21:55 -0600 |
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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> --- 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 e9f3b3e..6833ada 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++) { -- 2.9.5
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