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| author | Felix Fietkau <nbd@openwrt.org> | 2014-12-03 18:17:17 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-12-03 18:17:17 +0000 |
| commit | 426467bebac905ee32343aa8aad88abc444d3755 (patch) | |
| tree | 62bcd1d833816766d2e3d3ec4ac7b5131d2c8d9d /target | |
| parent | 6ad5109211d084a643eef6a9cc02624d7b8faf6a (diff) | |
| download | mtk-20170518-426467bebac905ee32343aa8aad88abc444d3755.zip mtk-20170518-426467bebac905ee32343aa8aad88abc444d3755.tar.gz mtk-20170518-426467bebac905ee32343aa8aad88abc444d3755.tar.bz2 | |
kernel: add missing null pointer check for mips dma ops inline patch on 3.18
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 43511
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/patches-3.18/132-mips_inline_dma_ops.patch | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/132-mips_inline_dma_ops.patch b/target/linux/generic/patches-3.18/132-mips_inline_dma_ops.patch index 7425ba0..49d4457 100644 --- a/target/linux/generic/patches-3.18/132-mips_inline_dma_ops.patch +++ b/target/linux/generic/patches-3.18/132-mips_inline_dma_ops.patch @@ -423,6 +423,15 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org> } static inline int +@@ -54,7 +391,7 @@ dma_set_mask(struct device *dev, u64 mas + if(!dev->dma_mask || !dma_supported(dev, mask)) + return -EIO; + +- if (ops->set_dma_mask) ++ if (ops && ops->set_dma_mask) + return ops->set_dma_mask(dev, mask); + + *dev->dma_mask = mask; @@ -74,7 +411,11 @@ static inline void *dma_alloc_attrs(stru void *ret; struct dma_map_ops *ops = get_dma_ops(dev); |