Messages in this thread | | | Subject | Re: [PATCH] fsl/fman: Check for null pointer after calling devm_ioremap | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 06 Jan 2022 14:00:10 +0000 |
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Hello:
This patch was applied to netdev/net.git (master) by David S. Miller <davem@davemloft.net>:
On Thu, 6 Jan 2022 18:04:10 +0800 you wrote: > As the possible failure of the allocation, the devm_ioremap() may return > NULL pointer. > Take tgec_initialization() as an example. > If allocation fails, the params->base_addr will be NULL pointer and will > be assigned to tgec->regs in tgec_config(). > Then it will cause the dereference of NULL pointer in set_mac_address(), > which is called by tgec_init(). > Therefore, it should be better to add the sanity check after the calling > of the devm_ioremap(). > > [...]
Here is the summary with links: - fsl/fman: Check for null pointer after calling devm_ioremap https://git.kernel.org/netdev/net/c/d5a73ec96cc5
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