[OpenOCD-commit] Main OpenOCD repository branch, master, updated. v0.12.0-755-gedf2c82cf

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- Log -----------------------------------------------------------------
commit edf2c82cf615af4926cc3536bbbafce2c55fe4e0
Author: Jan Matyas <jan...@co...>
Date:   Fri Sep 27 09:49:52 2024 +0200

    helper/align.h: Fix macro IS_PWR_OF_2
    
    Zero is not a power of two.
    
    All functions that use IS_PWR_OF_2 were checked and the edge case
    of IS_PWR_OF_2(0) does not occur anywhere at the moment. Therefore
    the fix is safe.
    
    Change-Id: I84d9f9c64c9a7df452ca6e99c2ee4169ccb2b0be
    Signed-off-by: Jan Matyas <jan...@co...>
    Fixes: 9544cd653df1 ("helper: add align.h")
    Reviewed-on: https://review.openocd.org/c/openocd/+/8511
    Reviewed-by: Antonio Borneo <bor...@gm...>
    Tested-by: jenkins

diff --git a/src/helper/align.h b/src/helper/align.h
index 935a6a3b2..d7170065e 100644
--- a/src/helper/align.h
+++ b/src/helper/align.h
@@ -24,7 +24,7 @@
 #define IS_PWR_OF_2(x)                  \
 ({                                      \
 	typeof(x) _x = (x);                 \
-	_x == 0 || (_x & (_x - 1)) == 0;    \
+	_x != 0 && (_x & (_x - 1)) == 0;    \
 })
 
 #endif /* OPENOCD_HELPER_ALIGN_H */

-----------------------------------------------------------------------

Summary of changes:
 src/helper/align.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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