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The kernel has very specific rules correlating file type with comment
type, and also SPDX identifiers can't be merged with other comments.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This is never going to hit anyway, and if it does, it's a development
problem that will be caught with the selftests anyway. So don't make
Andrew Lunn upset, and just change it to a WARN_ON.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Sultan Alsawaf <sultanxda@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This is the worst commit in the whole repo, making the code much less
readable, but so it goes with upstream maintainers.
We are now woefully wrapped at 80 columns.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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A mailing list interlocutor argues that sharing the same macro name
might lead to errors down the road.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This reduces the amount of call_rcu invocations considerably.
Suggested-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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If a peer is removed, it's possible for a lookup to momentarily return
NULL, resulting in needless -ENOKEY returns.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Blocks like:
if (node_placement(*trie, key, cidr, bits, &node, lock)) {
node->peer = peer;
return 0;
}
May result in a double read when adjusting the refcount, in the highly
unlikely case of LTO and an overly smart compiler.
While we're at it, replace rcu_assign_pointer(X, NULL); with
RCU_INIT_POINTER.
Reported-by: Jann Horn <jann@thejh.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Use RCU reference counts only when we must, and otherwise use a more
reasonably named function.
Reported-by: Jann Horn <jann@thejh.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Samuel Neves <sneves@dei.uc.pt>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Suggested-by: Samuel Neves <sneves@dei.uc.pt>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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We check it in the block just above the only call to node_placement, so
we're certain this is the case.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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It's good to have SPDX identifiers in all files as the Linux kernel
developers are working to add these identifiers to all files.
Update all files with the correct SPDX license identifier based on the license
text of the project or based on the license in the file itself. The SPDX
identifier is a legally binding shorthand, which can be used instead of the
full boiler plate text.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modified-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Makes it more clear that this _not_ a routing table replacement.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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