Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-04-18' into staging

trivial patches for 2014-04-18

# gpg: Signature made Fri 18 Apr 2014 07:36:15 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
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# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514  66A7 BEE5 9D74 A4C3 D7DB

* remotes/mjt/tags/trivial-patches-2014-04-18:
  Fix grammar in comment
  doc: grammify "allows to"
  configure: Remove redundant message for -Werror
  scripts: add sample model file for Coverity Scan
  xbzrle.c: Avoid undefined behaviour with signed arithmetic
  int128.h: Avoid undefined behaviours involving signed arithmetic
  hw/ide/ahci.c: Avoid shift left into sign bit
  net: Report error when device / hub combo is not found.
  configure: Fix indentation of help for --enable/disable-debug-info
  qga: trivial fix for unclear documentation of guest-set-time
  vl: Report accelerator not supported for target more nicely

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index bfe633f3a5..50327ffdf1 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -438,9 +438,9 @@ static void check_cmd(AHCIState *s, int port)
 
     if ((pr->cmd & PORT_CMD_START) && pr->cmd_issue) {
         for (slot = 0; (slot < 32) && pr->cmd_issue; slot++) {
-            if ((pr->cmd_issue & (1 << slot)) &&
+            if ((pr->cmd_issue & (1U << slot)) &&
                 !handle_cmd(s, port, slot)) {
-                pr->cmd_issue &= ~(1 << slot);
+                pr->cmd_issue &= ~(1U << slot);
             }
         }
     }