io_uring/rsrc: take unsigned index in io_rsrc_node_lookup()

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io_rsrc_node_lookup() takes a signed int index as input and compares it
to an unsigned length. Since the signed int is implicitly cast to an
unsigned int for the comparison and the length is bounded by
IORING_MAX_FIXED_FILES/IORING_MAX_REG_BUFFERS, negative indices are
already rejected on architectures where int is at least 32 bits. Make
this a bit clearer and avoid compiler warnings for comparisons of
signed and unsigned values by taking an unsigned int index instead.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Caleb Sander Mateos 2026-01-22 14:45:04 -07:00 • committed by Jens Axboe

parent 5247c034a6

commit 82dadc8a49

1 changed files with 1 additions and 1 deletions

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io_uring/rsrc.h

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