[Qemu-commits] [qemu/qemu] de5dca: e1000e: Fix build with gcc 4.6.3 and ust tracing

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: de5dca1b792ada25c29a95c8f84e01f4300aef9c
      
https://github.com/qemu/qemu/commit/de5dca1b792ada25c29a95c8f84e01f4300aef9c
  Author: Dmitry Fleytman <address@hidden>
  Date:   2016-06-06 (Mon, 06 Jun 2016)

  Changed paths:
    M hw/net/e1000e.c

  Log Message:
  -----------
  e1000e: Fix build with gcc 4.6.3 and ust tracing

This patch fixes used-uninitialized false
positive while compiling with ust tracing
backend plus gcc 4.6.3:

hw/net/e1000e.c: In function ‘e1000e_io_write’:
hw/net/e1000e.c:170:39: error: ‘idx’ may be used uninitialized in this function 
[-Werror=uninitialized]
hw/net/e1000e.c: In function ‘e1000e_io_read’:
hw/net/e1000e.c:145:35: error: ‘idx’ may be used uninitialized in this function 
[-Werror=uninitialized]
cc1: all warnings being treated as errors
make: *** [hw/net/e1000e.o] Error 1

Signed-off-by: Dmitry Fleytman <address@hidden>
Acked-by: Jason Wang <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>