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NFSD: Replace isdotent() macro

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The VFS provides name_is_dot_dotdot() as the canonical helper for
recognizing the "." and ".." directory entries, and fs/ already uses
it widely. nfsd has instead carried its own open-coded isdotent()
macro that computes the same predicate for non-empty names, a needless
duplicate of shared functionality. The macro reads the first name byte
without first confirming the name is non-empty; name_is_dot_dotdot()
tests the length first, so it never touches a zero-length buffer.
Convert every isdotent() call site to the generic helper and remove the
macro.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260621213535.539450-1-cel@kernel.org
Signed-off-by: Chuck Lever <cel@kernel.org>
This commit is contained in:
Chuck Lever 2026-06-21 17:35:35 -04:00
commit de9cf60040
7 changed files with 13 additions and 15 deletions
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