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| author | Maxime Ripard <mripard@kernel.org> | 2024-01-22 09:44:15 +0100 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-01-22 09:44:15 +0100 |
| commit | cf79f291f985662150363b4a93d16f88f12643bc (patch) | |
| tree | a803f6e9b1e34f100783538955b9ce34628cd5dd /drivers/dma/stm32-dma.c | |
| parent | a20f1b02bafcbf5a32d96a1d4185d6981cf7d016 (diff) | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
Merge v6.8-rc1 into drm-misc-fixes
Let's kickstart the 6.8 fix cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/dma/stm32-dma.c')
| -rw-r--r-- | drivers/dma/stm32-dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 72d83cd9ed6b..90857d08a1a7 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1246,8 +1246,8 @@ static struct dma_async_tx_descriptor *stm32_dma_prep_dma_memcpy( enum dma_slave_buswidth max_width; struct stm32_dma_desc *desc; size_t xfer_count, offset; - u32 num_sgs, best_burst, dma_burst, threshold; - int i; + u32 num_sgs, best_burst, threshold; + int dma_burst, i; num_sgs = DIV_ROUND_UP(len, STM32_DMA_ALIGNED_MAX_DATA_ITEMS); desc = kzalloc(struct_size(desc, sg_req, num_sgs), GFP_NOWAIT); @@ -1266,6 +1266,10 @@ static struct dma_async_tx_descriptor *stm32_dma_prep_dma_memcpy( best_burst = stm32_dma_get_best_burst(len, STM32_DMA_MAX_BURST, threshold, max_width); dma_burst = stm32_dma_get_burst(chan, best_burst); + if (dma_burst < 0) { + kfree(desc); + return NULL; + } stm32_dma_clear_reg(&desc->sg_req[i].chan_reg); desc->sg_req[i].chan_reg.dma_scr = |