From: "Vincent Stehlé" <vincent.stehle@laposte.net> To: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: "Vincent Stehlé" <vincent.stehle@laposte.net>, "Geoff Levand" <geoff@infradead.org>, "Geert Uytterhoeven" <Geert.Uytterhoeven@sonycom.com> Subject: [PATCH] powerpc/ps3: use dma_mapping_error() Date: Sun, 13 Dec 2020 19:26:22 +0100 [thread overview] Message-ID: <20201213182622.23047-1-vincent.stehle@laposte.net> (raw) 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> Cc: Geoff Levand <geoff@infradead.org> Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: "Vincent Stehlé" <vincent.stehle@laposte.net> To: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: "Geoff Levand" <geoff@infradead.org>, "Geert Uytterhoeven" <Geert.Uytterhoeven@sonycom.com>, "Vincent Stehlé" <vincent.stehle@laposte.net> Subject: [PATCH] powerpc/ps3: use dma_mapping_error() Date: Sun, 13 Dec 2020 19:26:22 +0100 [thread overview] Message-ID: <20201213182622.23047-1-vincent.stehle@laposte.net> (raw) 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> Cc: Geoff Levand <geoff@infradead.org> Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> --- 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
next reply other threads:[~2020-12-13 18:33 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-13 18:26 Vincent Stehlé [this message] 2020-12-13 18:26 ` [PATCH] powerpc/ps3: use dma_mapping_error() Vincent Stehlé 2020-12-13 19:38 ` Geoff Levand 2020-12-13 19:39 ` Geert Uytterhoeven 2020-12-13 19:39 ` Geert Uytterhoeven 2020-12-21 11:03 ` Michael Ellerman
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