[xen master] xen/vmap: use ISOLATE_LSB to wrap a violation of Rule 10.1

[patchbot@xxxxxxx]

commit 80d72670add5f98eb0bde1b2f7f2e3e94119df49
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Fri Nov 24 09:02:34 2023 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Nov 24 09:02:34 2023 +0100

    xen/vmap: use ISOLATE_LSB to wrap a violation of Rule 10.1
    
    No functional change.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/common/vmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/vmap.c b/xen/common/vmap.c
index 4fd6b3067e..330e2ba897 100644
--- a/xen/common/vmap.c
+++ b/xen/common/vmap.c
@@ -53,7 +53,7 @@ static void *vm_alloc(unsigned int nr, unsigned int align,
     if ( !align )
         align = 1;
     else if ( align & (align - 1) )
-        align &= -align;
+        align = ISOLATE_LSB(align);
 
     ASSERT((t >= VMAP_DEFAULT) && (t < VMAP_REGION_NR));
     if ( !vm_base[t] )
--
generated by git-patchbot for /home/xen/git/xen.git#master