From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 27 Oct 2016 22:45:03 +0200
Return values were not checked from calls of the function "printf"
and "putchar".
This issue was detected also by using the Coccinelle software.
* Add a bit of exception handling there.
* Optimise this function implementation a bit by replacing two output calls
with the functions "fputs" and "puts".
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
scripts/basic/fixdep.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 2c4ec91..f5ff6eea 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -142,16 +142,26 @@ static void print_config(const char *m, int slen)
{
int c, i;
- printf(" $(wildcard include/config/");
+ if (fputs(" $(wildcard include/config/", stdout) < 0)
+ goto put_failure;
for (i = 0; i < slen; i++) {
c = m[i];
if (c == '_')
c = '/';
else
c = tolower(c);
- putchar(c);
+ if (putchar(c) == EOF)
+ goto put_failure;
+ }
+ if (puts(".h) \\") < 0) {
+put_failure:
+ {
+ int code = errno;
+
+ perror("fixdep: print_config");
+ exit(code);
+ }
}
- printf(".h) \\\n");
}
static void do_extra_deps(void)
--
2.10.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
