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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-05-23 16:06:20 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-05-28 14:20:48 +0100
commit84ce4b9b9943d26c9d9c7ea8abd924033c125535 (patch)
treed7b526057af11dd743f84387c8f1cdc17c446f6c
parentdaafa78b297291fea36fb4daeed526705fa7c035 (diff)
hw/input/tsc2005: Fix -Wchar-subscripts warning in tsc2005_txrx()
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 <philmd@linaro.org> Message-id: 20240508143513.44996-1-philmd@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: fixed missing ')'] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/input/tsc2005.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c
index 941f163d36..ac7f54eeaf 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));
/* Timer ticked -- a set of conversions has been finished. */
@@ -413,7 +416,7 @@ static void tsc2005_timer_tick(void *opaque)
return;
s->busy = false;
- s->dav |= mode_regs[s->function];
+ s->dav |= mode_regs[function];
s->function = -1;
tsc2005_pin_update(s);
}