BACKPORT: ARM: 7569/1: mm: uninitialized warning corrections

The variables here are really not used uninitialized.

arch/arm/mm/alignment.c: In function 'do_alignment':
arch/arm/mm/alignment.c:327:15: warning: 'offset.un' may be used
uninitialized in this function [-Wmaybe-uninitialized]
arch/arm/mm/alignment.c:748:21: note: 'offset.un' was declared here

BUG=chromium-os:5542
TEST=emerge-daisy chromeos-kernel, make sure warning is gone

Change-Id: I90d41bdc48203f8cc9ef75e6ca1e059b916428cc
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Simon Que <sque@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/42370
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 9107231..387a6cd 100644 (file)
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -746,7 +746,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
 static int
 do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
-       union offset_union offset;
+       union offset_union uninitialized_var(offset);
        unsigned long instr = 0, instrptr;
        int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
        unsigned int type;