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pipe: drop an always true check in anon_pipe_write()

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The check operates on the stale value of 'head' and always loops back.

Just do it unconditionally. No functional changes.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250303230409.452687-2-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Mateusz Guzik 2025-03-04 00:04:07 +01:00 • committed by Christian Brauner
commit a40cd5849d
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1 changed files with 1 additions and 2 deletions
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fs/pipe.c
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@ -529,10 +529,9 @@ anon_pipe_write(struct kiocb *iocb, struct iov_iter *from)
if (!iov_iter_count(from))
break;
}
if (!pipe_full(head, pipe->tail, pipe->max_usage))
continue;
}
/* Wait for buffer space to become available. */
if ((filp->f_flags & O_NONBLOCK) ||