Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH 3/5] mic: remove unused function arg | Date | Thu, 16 Jun 2016 13:38:24 +0200 |
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When building with W=1, the __scif_rma_destroy_tcw function causes a harmless warning about an argument variable that is modified but not used:
drivers/misc/mic/scif/scif_dma.c: In function ‘__scif_rma_destroy_tcw’: drivers/misc/mic/scif/scif_dma.c:118:27: error: parameter ‘ep’ set but not used [-Werror=unused-but-set-parameter]
In this case, we can just remove the argument, since all callers are in the same file.
Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/misc/mic/scif/scif_dma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c index cd01a0efda6b..64d5760d069a 100644 --- a/drivers/misc/mic/scif/scif_dma.c +++ b/drivers/misc/mic/scif/scif_dma.c @@ -115,7 +115,6 @@ int scif_reserve_dma_chan(struct scif_endpt *ep) */ static void __scif_rma_destroy_tcw(struct scif_mmu_notif *mmn, - struct scif_endpt *ep, u64 start, u64 len) { struct list_head *item, *tmp; @@ -128,7 +127,6 @@ void __scif_rma_destroy_tcw(struct scif_mmu_notif *mmn, list_for_each_safe(item, tmp, &mmn->tc_reg_list) { window = list_entry(item, struct scif_window, list); - ep = (struct scif_endpt *)window->ep; if (!len) break; start_va = window->va_for_temp; @@ -146,7 +144,7 @@ static void scif_rma_destroy_tcw(struct scif_mmu_notif *mmn, u64 start, u64 len) struct scif_endpt *ep = mmn->ep; spin_lock(&ep->rma_info.tc_lock); - __scif_rma_destroy_tcw(mmn, ep, start, len); + __scif_rma_destroy_tcw(mmn, start, len); spin_unlock(&ep->rma_info.tc_lock); } @@ -169,7 +167,7 @@ static void __scif_rma_destroy_tcw_ep(struct scif_endpt *ep) spin_lock(&ep->rma_info.tc_lock); list_for_each_safe(item, tmp, &ep->rma_info.mmn_list) { mmn = list_entry(item, struct scif_mmu_notif, list); - __scif_rma_destroy_tcw(mmn, ep, 0, ULONG_MAX); + __scif_rma_destroy_tcw(mmn, 0, ULONG_MAX); } spin_unlock(&ep->rma_info.tc_lock); } -- 2.9.0
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