Le 05/06/2025 à 18:37, Thomas Fourier a écrit :
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If the device configuration fails (if `dma_dev->device_config()`),
`sg_dma_address(&sg)` is not initialized and the jump to `err_dma_prep`
leads to calling `dma_unmap_single()` on `sg_dma_address(&sg)`.
Signed-off-by: Thomas Fourier <fourier.tho...@gmail.com>
---
arch/powerpc/platforms/512x/mpc512x_lpbfifo.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
index 9668b052cd4b..ef3be438f914 100644
--- a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
+++ b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
@@ -241,8 +241,7 @@ static int mpc512x_lpbfifo_kick(void)
/* Make DMA channel work with LPB FIFO data register */
if (dma_dev->device_config(lpbfifo.chan, &dma_conf)) {
- ret = -EINVAL;
- goto err_dma_prep;
+ return -EINVAL;
}
You should remove the { } as it is now a single line.
sg_init_table(&sg, 1);
--
2.43.0
