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authorNathan Chancellor <natechancellor@gmail.com>2019-03-07 09:57:42 -0700
committerDavid S. Miller <davem@davemloft.net>2019-03-07 09:52:56 -0800
commitf9d19a7494e5341a7f256823e32788ae560ca22f (patch)
treee465b8ced396d82b924852f251fa98c5db33c3ac /drivers/net/ethernet/stmicro
parentethtool: reduce stack usage with clang (diff)
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net: atm: Use IS_ENABLED in atm_dev_ioctl
When building with -Wsometimes-uninitialized, Clang warns: net/atm/resources.c:256:6: warning: variable 'number' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] net/atm/resources.c:212:7: warning: variable 'iobuf_len' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] Clang won't realize that compat is 0 when CONFIG_COMPAT is not set until the constant folding stage, which happens after this semantic analysis. Use IS_ENABLED instead so that the zero is present at the semantic analysis stage, which eliminates this warning. Link: https://github.com/ClangBuiltLinux/linux/issues/386 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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