Fix following warnings:

.../linux-user/mmap.c: In function 'target_mremap':
.../linux-user/mmap.c:913:13: warning: declaration of 'prot' shadows a previous local [-Wshadow=compatible-local]
  913 |         int prot = 0;
      |             ^~~~
../../../Projects/qemu/linux-user/mmap.c:871:9: note: shadowed declaration is here
  871 |     int prot;
      |         ^~~~

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/mmap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 8eaf57b208b0..8ccaab78590f 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -910,16 +910,16 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
             }
         }
     } else {
-        int prot = 0;
+        int page_flags = 0;
         if (reserved_va && old_size < new_size) {
             abi_ulong addr;
             for (addr = old_addr + old_size;
                  addr < old_addr + new_size;
                  addr++) {
-                prot |= page_get_flags(addr);
+                page_flags |= page_get_flags(addr);
             }
         }
-        if (prot == 0) {
+        if (page_flags == 0) {
             host_addr = mremap(g2h_untagged(old_addr),
                                old_size, new_size, flags);
 
-- 
2.41.0

On 25/09/2023 17.10, Laurent Vivier wrote:
> Fix following warnings:
> 
> .../linux-user/mmap.c: In function 'target_mremap':
> .../linux-user/mmap.c:913:13: warning: declaration of 'prot' shadows a previous local [-Wshadow=compatible-local]
>    913 |         int prot = 0;
>        |             ^~~~
> ../../../Projects/qemu/linux-user/mmap.c:871:9: note: shadowed declaration is here
>    871 |     int prot;
>        |         ^~~~
> 
> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
> ---
>   linux-user/mmap.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Thomas Huth <thuth@redhat.com>