From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
To: linux-kernel@vger.kernel.org
Cc: Tejun Heo <tj@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Alexey Dobriyan <adobriyan@gmail.com>
Subject: [PATCH v1 5/6] lib: scanf: mark sscanf and vsscanf as __must_check
Date: Sun, 10 Mar 2019 19:56:38 +0300 [thread overview]
Message-ID: <155223699818.4075.9452536087987358708.stgit@buzz> (raw)
In-Reply-To: <155223448227.4075.6846910559654700796.stgit@buzz>
Caller must check returned count of matched arguments.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
---
include/linux/kernel.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 32726b25eaa5..3142a456f00b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -483,9 +483,9 @@ const char *kvasprintf_const(gfp_t gfp, const char *fmt, va_list args);
#define SCANF_MORE (1 << 30)
extern __scanf(2, 3)
-int sscanf(const char *, const char *, ...);
+int __must_check sscanf(const char *, const char *, ...);
extern __scanf(2, 0)
-int vsscanf(const char *, const char *, va_list);
+int __must_check vsscanf(const char *, const char *, va_list);
extern int get_option(char **str, int *pint);
extern char *get_options(const char *str, int nints, int *ints);
next prev parent reply other threads:[~2019-03-10 16:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-10 16:56 [PATCH v1 0/6] Make sscanf safer Konstantin Khlebnikov
2019-03-10 16:56 ` [PATCH v1 1/6] lib: scanf: document features of scanf format string Konstantin Khlebnikov
2019-03-10 16:56 ` [PATCH v1 2/6] lib: scanf: handle integer overflows in vsscanf Konstantin Khlebnikov
2019-03-10 21:06 ` Rasmus Villemoes
2019-03-10 21:52 ` Linus Torvalds
2019-03-11 7:22 ` Konstantin Khlebnikov
2019-03-10 16:56 ` [PATCH v1 3/6] lib: scanf: add vsscanf feature for matching end of text Konstantin Khlebnikov
2019-03-10 16:56 ` [PATCH v1 4/6] lib: scanf: handle character ranges in %[...] Konstantin Khlebnikov
2019-03-10 16:56 ` Konstantin Khlebnikov [this message]
2019-03-10 16:56 ` [PATCH v1 6/6] lib: scanf: add test module Konstantin Khlebnikov
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