From: Colin Ian King <[email protected]>
The pointer desc is being null checked twice, the second null check
is redundant because desc has not been re-assigned between the
checks. Remove the redundant second null check on desc.
Addresses-Coverity: ("Logically dead code")
Fixes: ef6fb2d6f1ab ("dmaengine: dw-axi-dmac: simplify descriptor management")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index ac3d81b72a15..d9e4ac3edb4e 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -919,10 +919,6 @@ dma_chan_prep_dma_memcpy(struct dma_chan *dchan,
dma_addr_t dst_adr,
num++;
}
- /* Total len of src/dest sg == 0, so no descriptor were allocated */
- if (unlikely(!desc))
- return NULL;
-
/* Set end-of-link to the last link descriptor of list */
set_desc_last(&desc->hw_desc[num - 1]);
/* Managed transfer list */
--
2.29.2
