ftdi: Fix error in calloc retval check

Found by clang.

Change-Id: Iaa952b063779f4d392d8bdc62a3e7ce9daef2740
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/1498
Tested-by: jenkins
Reviewed-by: Laszlo Papp <lpapp@kde.org>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/src/jtag/drivers/ftdi.c b/src/jtag/drivers/ftdi.c
index 20969c04827462ac72d68b040b5ae145d142a285..11a7414f50336c0a8c5c85b74e300d15506ff1f3 100644 (file)
--- a/src/jtag/drivers/ftdi.c
+++ b/src/jtag/drivers/ftdi.c
@@ -127,8 +127,10 @@ static struct signal *create_signal(const char *name)
                psig = &(*psig)->next;
 
        *psig = calloc(1, sizeof(**psig));
-       if (*psig)
-               (*psig)->name = strdup(name);
+       if (*psig == NULL)
+               return NULL;
+
+       (*psig)->name = strdup(name);
        if ((*psig)->name == NULL) {
                free(*psig);
                *psig = NULL;