diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2015-03-09 15:59:46 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-03-11 15:59:57 +0100 |
| commit | 5820945946b1e221905aa898f2cd97ed825acd47 (patch) | |
| tree | 5577b869b705370a50e70091982539cd128ed216 /hw/pci/shpc.c | |
| parent | 92bf484a87882aa23f10412c774a7357b9bd2be0 (diff) | |
pci/shpc: fix signed integer overflow
clang undefined behaviour sanitizer reports:
> hw/pci/shpc.c:162:27: runtime error: left shift of 1 by 31 places
> cannot be represented in type 'int'
Caused by the usual lack of a 'U' qualifier on a constant 1 being
shifted left. Fix it up.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/shpc.c')
| -rw-r--r-- | hw/pci/shpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c index 5fd7f4bbb7..759910f79a 100644 --- a/hw/pci/shpc.c +++ b/hw/pci/shpc.c @@ -159,7 +159,7 @@ static void shpc_interrupt_update(PCIDevice *d) for (slot = 0; slot < shpc->nslots; ++slot) { uint8_t event = shpc->config[SHPC_SLOT_EVENT_LATCH(slot)]; uint8_t disable = shpc->config[SHPC_SLOT_EVENT_SERR_INT_DIS(d, slot)]; - uint32_t mask = 1 << SHPC_IDX_TO_LOGICAL(slot); + uint32_t mask = 1U << SHPC_IDX_TO_LOGICAL(slot); if (event & ~disable) { int_locator |= mask; } |