diff mbox series

[v5,1/3] scsi/esp-pci: add g_assert() for fix clang analyzer warning in esp_pci_io_write()

Message ID 20200325025919.21316-2-kuhn.chenqun@huawei.com (mailing list archive)
State New, archived
Headers show
Series redundant code: Fix warnings reported by Clang static code analyzer | expand

Commit Message

Chen Qun March 25, 2020, 2:59 a.m. UTC 
Clang static code analyzer show warning:
  hw/scsi/esp-pci.c:198:9: warning: Value stored to 'size' is never read
        size = 4;
        ^      ~

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
---
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc:Fam Zheng <fam@euphon.net>

v1->v2:
keep ' size = 4'  and  add 'g_assert(size >= 4)' after if() statement.
(Base on Laurent's comments)
---
 hw/scsi/esp-pci.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index d5a1f9e017..497a8d5901 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -197,6 +197,7 @@  static void esp_pci_io_write(void *opaque, hwaddr addr,
         addr &= ~3;
         size = 4;
     }
+    g_assert(size >= 4);
 
     if (addr < 0x40) {
         /* SCSI core reg */