[PATCH 4.6 107/121] ext4: silence UBSAN in ext4_mb_init()

4.6-stable review patch. If anyone has any objections, please let me know. -- From: Nicolai Stange commit 935244cd54b86ca46e69bc6604d2adfb1aec2d42 upstream. Currently, in ext4_mb_init(), there's a loop like the following: do { ... offset += 1

[PATCH 4.6 107/121] ext4: silence UBSAN in ext4_mb_init()

4.6-stable review patch. If anyone has any objections, please let me know. -- From: Nicolai Stange commit 935244cd54b86ca46e69bc6604d2adfb1aec2d42 upstream. Currently, in ext4_mb_init(), there's a loop like the following: do { ... offset += 1 <<