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Groups > linux.kernel > #1510948
| From | SF Markus Elfring <elfring@users.sourceforge.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 05/10] scripts/basic/fixdep: Complete error handling in parse_dep_file() |
| Date | 2016-10-28 10:40 +0200 |
| Message-ID | <sxaRI-5SO-23@gated-at.bofh.it> (permalink) |
| References | <sxaRH-5SO-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 27 Oct 2016 19:43:43 +0200
Return values were not checked from five calls of the function "printf".
This issue was detected also by using the Coccinelle software.
* Add a bit of exception handling there.
* Combine these calls into three.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
scripts/basic/fixdep.c | 32 ++++++++++++++++++++++++--------
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 9a2ff68..5f6a4f4 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -366,14 +366,25 @@ static void parse_dep_file(void *map, size_t len)
*/
if (!saw_any_target) {
saw_any_target = 1;
- printf("source_%s := %s\n\n",
- target, s);
- printf("deps_%s := \\\n",
- target);
+ if (printf("source_%s := %s\n\n"
+ "deps_%s := \\\n",
+ target, s, target)
+ < 24) {
+ int code = errno;
+
+ perror("fixdep: printf");
+ exit(code);
+ }
}
is_first_dep = 0;
- } else
- printf(" %s \\\n", s);
+ } else {
+ if (printf(" %s \\\n", s) < 5) {
+ int code = errno;
+
+ perror("fixdep: printf");
+ exit(code);
+ }
+ }
do_config_file(s);
}
}
@@ -391,8 +402,13 @@ static void parse_dep_file(void *map, size_t len)
do_extra_deps();
- printf("\n%s: $(deps_%s)\n\n", target, target);
- printf("$(deps_%s):\n", target);
+ if (printf("\n%s: $(deps_%s)\n\n"
+ "$(deps_%s):\n", target, target, target) < 27) {
+ int code = errno;
+
+ perror("fixdep: printf");
+ exit(code);
+ }
}
static void print_deps(void)
--
2.10.1
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[PATCH 00/10] scripts/basic: Fine-tuning for seven function implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 08/10] scripts/basic/fixdep: Complete error handling in print_config() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 06/10] scripts/basic/fixdep: Complete error handling in do_config_file() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 05/10] scripts/basic/fixdep: Complete error handling in parse_dep_file() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 07/10] scripts/basic/fixdep: Fix error log output in do_config_file() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 03/10] scripts/basic/fixdep: Use the symbol "MAP_FAILED" in print_deps() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
[PATCH 01/10] scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:40 +0200
Re: [PATCH 01/10] scripts/basic/bin2c: Complete error handling in main() Jim Davis <jim.epost@gmail.com> - 2016-10-29 00:40 +0200
Re: [PATCH 01/10] scripts/basic/bin2c: Complete error handling in main() Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-11-02 16:50 +0100
Re: scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-11-02 18:50 +0100
Re: scripts/basic/bin2c: Complete error handling in main() Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-11-02 19:30 +0100
Re: scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-11-02 19:50 +0100
Re: scripts/basic/bin2c: Complete error handling in main() Michal Marek <mmarek@suse.com> - 2016-11-03 16:50 +0100
Re: scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-11-03 20:50 +0100
Re: scripts/basic/bin2c: Complete error handling in main() Michal Marek <mmarek@suse.com> - 2016-11-04 13:20 +0100
Re: scripts/basic/bin2c: Complete error handling in main() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-11-04 14:50 +0100
[PATCH 09/10] scripts/basic/fixdep: Complete error handling in print_cmdline() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:50 +0200
Re: [PATCH 09/10] scripts/basic/fixdep: Complete error handling in print_cmdline() Jim Davis <jim.epost@gmail.com> - 2016-10-29 01:50 +0200
Re: scripts/basic/fixdep: Complete error handling in print_cmdline() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-30 16:20 +0100
Re: [PATCH 09/10] scripts/basic/fixdep: Complete error handling in print_cmdline() Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-11-02 16:40 +0100
Re: scripts/basic/fixdep: Complete error handling in print_cmdline() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-11-02 18:40 +0100
Re: scripts/basic/fixdep: Complete error handling in print_cmdline() Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-11-02 19:40 +0100
Re: scripts/basic/fixdep: Complete error handling in print_cmdline() Michal Marek <mmarek@suse.com> - 2016-11-03 17:00 +0100
[PATCH 10/10] scripts/basic/fixdep: Combine two fprintf() calls into one fputs() call in usage() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-10-28 10:50 +0200
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