diff options
| author | Vincent Stehlé <vincent.stehle@laposte.net> | 2020-12-13 19:26:22 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-29 13:42:40 +0100 |
| commit | 135681d833f97f78a64a5188dd5962e3ac2db04d (patch) | |
| tree | 4ca4b397b70a9897740e4f0a4a6ec5a901b01fd7 /drivers | |
| parent | 8d409b947ba67266d7d641a14c601ca3b2f7a328 (diff) | |
powerpc/ps3: use dma_mapping_error()
[ Upstream commit d0edaa28a1f7830997131cbce87b6c52472825d1 ]
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 <vincent.stehle@laposte.net>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201213182622.23047-1-vincent.stehle@laposte.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ps3/ps3stor_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ps3/ps3stor_lib.c b/drivers/ps3/ps3stor_lib.c index 8c3f5adf1bc6..2d7618375662 100644 --- a/drivers/ps3/ps3stor_lib.c +++ b/drivers/ps3/ps3stor_lib.c @@ -201,7 +201,7 @@ 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; |