On 20/5/24 14:49, Peter Maydell wrote:
On Wed, 8 May 2024 at 15:35, Philippe Mathieu-Daudé <phi...@linaro.org> wrote:

Check the function index is in range and use an unsigned
variable to avoid the following warning with GCC 13.2.0:

   [666/5358] Compiling C object libcommon.fa.p/hw_input_tsc2005.c.o
   hw/input/tsc2005.c: In function 'tsc2005_timer_tick':
   hw/input/tsc2005.c:416:26: warning: array subscript has type 'char' 
[-Wchar-subscripts]
     416 |     s->dav |= mode_regs[s->function];
         |                         ~^~~~~~~~~~

Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
v2: Use Peter suggestion
---
  hw/input/tsc2005.c | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c
index 941f163d36..8d35892c09 100644
--- a/hw/input/tsc2005.c
+++ b/hw/input/tsc2005.c
@@ -406,6 +406,9 @@ uint32_t tsc2005_txrx(void *opaque, uint32_t value, int len)
  static void tsc2005_timer_tick(void *opaque)
  {
      TSC2005State *s = opaque;
+    unsigned int function = s->function;
+
+    assert(function < ARRAY_SIZE(mode_regs);

Missing ')' -- this doesn't compile ;-)

Oops I apologize for not even build-testing :/

Applied to target-arm.next with the typo fixed, thanks.

Thanks!


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