Messages in this thread | | | Subject | Re: [PATCH] am65-cpsw: avoid null pointer arithmetic | From | patchwork-bot+netdevbpf@kernel ... | Date | Tue, 28 Sep 2021 12:20:07 +0000 |
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Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Mon, 27 Sep 2021 11:37:57 +0200 you wrote: > From: Arnd Bergmann <arnd@arndb.de> > > clang warns about arithmetic on NULL pointers: > > drivers/net/ethernet/ti/am65-cpsw-ethtool.c:71:2: error: performing pointer subtraction with a null pointer has undefined behavior [-Werror,-Wnull-pointer-subtraction] > AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c), > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/net/ethernet/ti/am65-cpsw-ethtool.c:64:29: note: expanded from macro 'AM65_CPSW_REGDUMP_REC' > .hdr.len = (((u32 *)(end)) - ((u32 *)(start)) + 1) * sizeof(u32) * 2 + \ > ^ ~~~~~~~~~~~~~~~~ > > [...]
Here is the summary with links: - am65-cpsw: avoid null pointer arithmetic https://git.kernel.org/netdev/net-next/c/861f40fa0edf
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