Patchwork [09/14] usb-linux.c: fix warning with _FORTIFY_SOURCE

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Submitter Kirill A. Shutemov
Date Dec. 31, 2009, 1:33 a.m.
Message ID <1262223199-19062-9-git-send-email-kirill@shutemov.name>
Download mbox | patch
Permalink /patch/41953/
State New
Headers show

Comments

Kirill A. Shutemov - Dec. 31, 2009, 1:33 a.m.
CC    usb-linux.o
cc1: warnings being treated as errors
usb-linux.c: In function 'usb_host_read_file':
usb-linux.c:1204: error: ignoring return value of 'fgets', declared with attribute warn_unused_result
make: *** [usb-linux.o] Error 1

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
---
 usb-linux.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

Patch

diff --git a/usb-linux.c b/usb-linux.c
index 88728e9..8673474 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -1201,9 +1201,13 @@  static int usb_host_read_file(char *line, size_t line_size, const char *device_f
              device_file);
     f = fopen(filename, "r");
     if (f) {
-        fgets(line, line_size, f);
+        if (fgets(line, line_size, f)) {
+            ret = 1;
+        } else {
+            ret = 0;
+        }
+
         fclose(f);
-        ret = 1;
 #if 0
     } else {
         if (mon)