recode can be negative or zero as well. Put the correct condition
on it before using it as array index.
Signed-off-by: Praveen Paneri <praveen.paneri@xxxxxxxxx>
---
xf86drm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xf86drm.c b/xf86drm.c
index 60663d4..df56f9e 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -585,7 +585,7 @@ static int drmOpenByName(const char *name)
if ((fd = open(proc_name, 0, 0)) >= 0) {
retcode = read(fd, buf, sizeof(buf)-1);
close(fd);
- if (retcode) {
+ if (retcode > 0) {
buf[retcode-1] = '\0';
for (driver = pt = buf; *pt && *pt != ' '; ++pt)
;
--
1.9.1
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