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From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, joe@perches.com, linux-mm@kvack.org,
	mm-commits@vger.kernel.org, torvalds@linux-foundation.org
Subject: [patch 04/16] checkpatch: prefer strscpy to strlcpy
Date: Tue, 29 Dec 2020 15:14:31 -0800	[thread overview]
Message-ID: <20201229231431.17XJD6-eN%akpm@linux-foundation.org> (raw)
In-Reply-To: <20201229151349.3285926ec0d1f65a27ac8534@linux-foundation.org>

From: Joe Perches <joe@perches.com>
Subject: checkpatch: prefer strscpy to strlcpy

Prefer strscpy over the deprecated strlcpy function.

Link: https://lkml.kernel.org/r/19fe91084890e2c16fe56f960de6c570a93fa99b.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Requested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/checkpatch.pl |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/scripts/checkpatch.pl~checkpatch-prefer-strscpy-to-strlcpy
+++ a/scripts/checkpatch.pl
@@ -6646,6 +6646,12 @@ sub process {
 #			}
 #		}
 
+# strlcpy uses that should likely be strscpy
+		if ($line =~ /\bstrlcpy\s*\(/) {
+			WARN("STRLCPY",
+			     "Prefer strscpy over strlcpy - see: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw\@mail.gmail.com/\n" . $herecurr);
+		}
+
 # typecasts on min/max could be min_t/max_t
 		if ($perl_version_ok &&
 		    defined $stat &&
_

  parent reply	other threads:[~2020-12-29 23:15 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-29 23:13 incoming Andrew Morton
2020-12-29 23:14 ` [patch 01/16] selftests/vm: fix building protection keys test Andrew Morton
2020-12-29 23:14 ` [patch 02/16] mm/hugetlb: fix deadlock in hugetlb_cow error path Andrew Morton
2020-12-29 23:14 ` [patch 03/16] Revert "kbuild: avoid static_assert for genksyms" Andrew Morton
2020-12-29 23:14 ` Andrew Morton [this message]
2020-12-29 23:14 ` [patch 05/16] mm: add prototype for __add_to_page_cache_locked() Andrew Morton
2020-12-29 23:14 ` [patch 06/16] mm: memmap defer init doesn't work as expected Andrew Morton
2020-12-29 23:14 ` [patch 07/16] mm/mremap.c: fix extent calculation Andrew Morton
2020-12-29 23:14 ` [patch 08/16] mm: generalise COW SMC TLB flushing race comment Andrew Morton
2020-12-29 23:14 ` [patch 09/16] kasan: fix null pointer dereference in kasan_record_aux_stack Andrew Morton
2020-12-29 23:14 ` [patch 10/16] local64.h: make <asm/local64.h> mandatory Andrew Morton
2020-12-29 23:14 ` [patch 11/16] sizes.h: add SZ_8G/SZ_16G/SZ_32G macros Andrew Morton
2020-12-29 23:14 ` [patch 12/16] kdev_t: always inline major/minor helper functions Andrew Morton
2020-12-29 23:14 ` [patch 13/16] lib/genalloc: fix the overflow when size is too big Andrew Morton
2020-12-29 23:15 ` [patch 14/16] lib/zlib: fix inflating zlib streams on s390 Andrew Morton
2020-12-29 23:15 ` [patch 15/16] zlib: move EXPORT_SYMBOL() and MODULE_LICENSE() out of dfltcc_syms.c Andrew Morton
2020-12-29 23:15 ` [patch 16/16] mm: slub: call account_slab_page() after slab page initialization Andrew Morton

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