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spi: use sysfs_emit() for printing statistics and add trailing newline

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Use dedicated function sysfs_emit() that does some extra checking,
e.g. to ensure that no more than PAGESIZE bytes are written.
In addition add a trailing newline to the output, that makes it
better readable from the console.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/56e1588d-d53b-73e9-fdc8-7fe30bf91f11@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Heiner Kallweit 2022-02-18 14:58:35 +01:00 committed by Mark Brown
parent 07025ceaac
commit 043786303b
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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drivers/spi/spi.c
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@ -143,7 +143,7 @@ static ssize_t spi_statistics_##name##_show(struct spi_statistics *stat, \
unsigned long flags; \
ssize_t len; \
spin_lock_irqsave(&stat->lock, flags); \
len = sprintf(buf, format_string, stat->field); \
len = sysfs_emit(buf, format_string "\n", stat->field); \
spin_unlock_irqrestore(&stat->lock, flags); \
return len; \
} \