[Qemu-devel] [PATCH v2 2/6] sparc: fix expression with uninitialized initial value

[Blue Swirl]

err was uninitialized, it's not OK to use |=. Spotted by Clang
compiler.

Fix by implementing the earlier statement which initializes the variable.

Signed-off-by: Blue Swirl <blauwir...@gmail.com>
---
 linux-user/signal.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/linux-user/signal.c b/linux-user/signal.c
index 9be5ac0..7869147 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1844,7 +1844,7 @@ typedef struct {
 } __siginfo_t;
 
 typedef struct {
-        unsigned   long si_float_regs [32];
+        abi_ulong       si_float_regs[32];
         unsigned   long si_fsr;
         unsigned   long si_fpqdepth;
         struct {
@@ -2056,11 +2056,9 @@ restore_fpu_state(CPUSPARCState *env, qemu_siginfo_fpu_t 
*fpu)
                 return -EFAULT;
 #endif
 
-#if 0
         /* XXX: incorrect */
-        err = __copy_from_user(&env->fpr[0], &fpu->si_float_regs[0],
-                                    (sizeof(unsigned long) * 32));
-#endif
+        err = copy_from_user(&env->fpr[0], fpu->si_float_regs[0],
+                             (sizeof(abi_ulong) * 32));
         err |= __get_user(env->fsr, &fpu->si_fsr);
 #if 0
         err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
-- 
1.7.2.5