Message ID | 20190721114229.GA6886@hari-Inspiron-1545 (mailing list archive) |
---|---|
State | Mainlined |
Commit | a967783300bf2ba55a29255c0a591a554c651993 |
Headers | show |
Series | scsi: lpfc: fix "NULL check before some freeing functions is not needed" | expand |
On 7/21/2019 4:42 AM, Hariprasad Kelam wrote: > As dma_pool_destroy and mempool_destroy functions has NULL check. We may > not need NULL check before calling them. > > Fix below warnings reported by coccicheck > ./drivers/scsi/lpfc/lpfc_mem.c:252:2-18: WARNING: NULL check before some > freeing functions is not needed. > ./drivers/scsi/lpfc/lpfc_mem.c:255:2-18: WARNING: NULL check before some > freeing functions is not needed. > ./drivers/scsi/lpfc/lpfc_mem.c:258:2-18: WARNING: NULL check before some > freeing functions is not needed. > ./drivers/scsi/lpfc/lpfc_mem.c:261:2-18: WARNING: NULL check before some > freeing functions is not needed. > ./drivers/scsi/lpfc/lpfc_mem.c:265:2-18: WARNING: NULL check before some > freeing functions is not needed. > ./drivers/scsi/lpfc/lpfc_mem.c:269:2-17: WARNING: NULL check before some > freeing functions is not needed. > > Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> > --- > drivers/scsi/lpfc/lpfc_mem.c | 21 +++++++++------------ > 1 file changed, 9 insertions(+), 12 deletions(-) > Thanks Reviewed-by: James Smart <james.smart@broadcom.com> -- james
Hariprasad, > As dma_pool_destroy and mempool_destroy functions has NULL check. We may > not need NULL check before calling them. Applied to 5.4/scsi-queue. Thanks!
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 66191fa..9bdb4a0 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -248,25 +248,22 @@ lpfc_mem_free(struct lpfc_hba *phba) /* Free HBQ pools */ lpfc_sli_hbqbuf_free_all(phba); - if (phba->lpfc_nvmet_drb_pool) - dma_pool_destroy(phba->lpfc_nvmet_drb_pool); + dma_pool_destroy(phba->lpfc_nvmet_drb_pool); phba->lpfc_nvmet_drb_pool = NULL; - if (phba->lpfc_drb_pool) - dma_pool_destroy(phba->lpfc_drb_pool); + + dma_pool_destroy(phba->lpfc_drb_pool); phba->lpfc_drb_pool = NULL; - if (phba->lpfc_hrb_pool) - dma_pool_destroy(phba->lpfc_hrb_pool); + + dma_pool_destroy(phba->lpfc_hrb_pool); phba->lpfc_hrb_pool = NULL; - if (phba->txrdy_payload_pool) - dma_pool_destroy(phba->txrdy_payload_pool); + + dma_pool_destroy(phba->txrdy_payload_pool); phba->txrdy_payload_pool = NULL; - if (phba->lpfc_hbq_pool) - dma_pool_destroy(phba->lpfc_hbq_pool); + dma_pool_destroy(phba->lpfc_hbq_pool); phba->lpfc_hbq_pool = NULL; - if (phba->rrq_pool) - mempool_destroy(phba->rrq_pool); + mempool_destroy(phba->rrq_pool); phba->rrq_pool = NULL; /* Free NLP memory pool */
As dma_pool_destroy and mempool_destroy functions has NULL check. We may not need NULL check before calling them. Fix below warnings reported by coccicheck ./drivers/scsi/lpfc/lpfc_mem.c:252:2-18: WARNING: NULL check before some freeing functions is not needed. ./drivers/scsi/lpfc/lpfc_mem.c:255:2-18: WARNING: NULL check before some freeing functions is not needed. ./drivers/scsi/lpfc/lpfc_mem.c:258:2-18: WARNING: NULL check before some freeing functions is not needed. ./drivers/scsi/lpfc/lpfc_mem.c:261:2-18: WARNING: NULL check before some freeing functions is not needed. ./drivers/scsi/lpfc/lpfc_mem.c:265:2-18: WARNING: NULL check before some freeing functions is not needed. ./drivers/scsi/lpfc/lpfc_mem.c:269:2-17: WARNING: NULL check before some freeing functions is not needed. Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> --- drivers/scsi/lpfc/lpfc_mem.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-)