Remove redundant NULL checks before calls to functions that are equivalent to a no-op when run on a NULL pointer. These patches were generated by the following semantic patch, and manually reviewed: <smpl> @r@ identifier noop_func; identifier param; type T; @@ noop_func (T *param) { ... if (!param) return; ... } @@ identifier r.noop_func; expression E; statement S; @@ ( - if (E) noop_func(E); + noop_func(E); | - if (E) { noop_func(E); E = NULL; } + noop_func(E); + E = NULL; ) </smpl> Regards, Cyril Roelandt --- Cyril Roelandt (5): radeon: Remove redundant NULL check before radeon_i2c_destroy(). iommu: remove redundant NULL check before dma_ops_domain_free(). staging: dgrp: remove redundant NULL check before unregister_dgrp_device(). staging: tidspbridge: remove redundant NULL check before delete_msg_mgr(). xen: remove redundant NULL check before unregister_and_remove_pcpu(). drivers/gpu/drm/radeon/radeon_i2c.c | 6 ++---- drivers/iommu/amd_iommu.c | 3 +-- drivers/staging/dgrp/dgrp_specproc.c | 9 +++------ drivers/staging/tidspbridge/core/msg_sm.c | 3 +-- drivers/xen/pcpu.c | 3 +-- 5 files changed, 8 insertions(+), 16 deletions(-) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html