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printk: Use fallthrough pseudo-keyword

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Replace /* FALL THRU */ comment with the new pseudo-keyword macro
fallthrough[1].

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20201002224627.GA30475@embeddedor
This commit is contained in:
Gustavo A. R. Silva 2020-10-02 17:46:27 -05:00 committed by Petr Mladek
parent 36d818f610
commit 4e797e6ec7
1 changed files with 1 additions and 1 deletions
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kernel/printk/printk.c
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@ -1567,7 +1567,7 @@ int do_syslog(int type, char __user *buf, int len, int source)
/* Read/clear last kernel messages */
case SYSLOG_ACTION_READ_CLEAR:
clear = true;
/* FALL THRU */
fallthrough;
/* Read last kernel messages */
case SYSLOG_ACTION_READ_ALL:
if (!buf || len < 0)