[PATCH] powerpc/ps3: use dma_mapping_error()
flat view
STALE2141d
LANDED
From: Vincent Stehlé <hidden>
Date: 2020-12-13 18:33:53
Also in:
lkml
Subsystem:
ps3 platform support, the rest · Maintainers:
Geoff Levand, Linus Torvalds
Status: Landed in mainline as d0edaa28a1f7 on 2020-12-15.
The DMA address returned by dma_map_single() should be checked with
dma_mapping_error(). Fix the ps3stor_setup() function accordingly.
Fixes: 80071802cb9c ("[POWERPC] PS3: Storage Driver Core")
Signed-off-by: Vincent Stehlé <redacted>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Geert Uytterhoeven <redacted>
---
drivers/ps3/ps3stor_lib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c
index 333ba83006e48..a12a1ad9b5fe3 100644
--- a/drivers/ps3/ps3stor_lib.c
+++ b/drivers/ps3/ps3stor_lib.c@@ -189,7 +189,7 @@ int ps3stor_setup(struct ps3_storage_device *dev, irq_handler_t handler) dev->bounce_lpar = ps3_mm_phys_to_lpar(__pa(dev->bounce_buf)); dev->bounce_dma = dma_map_single(&dev->sbd.core, dev->bounce_buf, dev->bounce_size, DMA_BIDIRECTIONAL); - if (!dev->bounce_dma) { + if (dma_mapping_error(&dev->sbd.core, dev->bounce_dma)) { dev_err(&dev->sbd.core, "%s:%u: map DMA region failed\n", __func__, __LINE__); error = -ENODEV;
--
2.29.2