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authorLuis Araneda <luaraneda@gmail.com>2018-07-05 16:55:31 -0400
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-07-25 08:47:52 +0900
commit0dc4addb9111a1587ba9c08594a0f087905a572a (patch)
treea8fac3d067bdfbb284f49a8274e80d0aad942a73 /scripts/kconfig
parent323a73adc9a1bf2de43fe03bdd9c3038ce7c2784 (diff)
kconfig: Avoid format overflow warning from GCC 8.1
cherry-pick kernel commit 2ae89c7 (2018-06-05) to avoid warnings when compiling with GCC 8.1 In file included from scripts/kconfig/zconf.tab.c:2486: scripts/kconfig/confdata.c: In function ‘conf_write’: scripts/kconfig/confdata.c:771:22: warning: ‘%s’ directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=] sprintf(newname, "%s%s", dirname, basename); ^~ scripts/kconfig/confdata.c:771:19: note: assuming directive output of 7 bytes sprintf(newname, "%s%s", dirname, basename); ^~~~~~ scripts/kconfig/confdata.c:771:2: note: ‘sprintf’ output 1 or more bytes (assuming 4104) into a destination of size 4097 sprintf(newname, "%s%s", dirname, basename); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ scripts/kconfig/confdata.c:774:23: warning: ‘.tmpconfig.’ directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=] sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); ^~~~~~~~~~~ scripts/kconfig/confdata.c:774:3: note: ‘sprintf’ output between 13 and 4119 bytes into a destination of size 4097 sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Luis Araneda <luaraneda@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/confdata.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index e4cbb87d76..a04bb26304 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -743,7 +743,7 @@ int conf_write(const char *name)
struct menu *menu;
const char *basename;
const char *str;
- char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
+ char dirname[PATH_MAX+1], tmpname[PATH_MAX+22], newname[PATH_MAX+8];
char *env;
dirname[0] = 0;