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dpctl: Skip invoking qsort on empty list

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Clang reports "Argument with 'nonnull' attribute passed null" warning.

Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Bhanuprakash Bodireddy
2017-06-19 19:54:01 +01:00
committed by Ben Pfaff
parent 1cc1b5f6b0
commit f77ceea3b5
1 changed files with 3 additions and 1 deletions
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4
lib/dpctl.c
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@@ -555,7 +555,9 @@ show_dpif(struct dpif *dpif, struct dpctl_params *dpctl_p)
n_port_nos++;
}
qsort(port_nos, n_port_nos, sizeof *port_nos, compare_port_nos);
if (port_nos) {
qsort(port_nos, n_port_nos, sizeof *port_nos, compare_port_nos);
}
for (int i = 0; i < n_port_nos; i++) {
if (dpif_port_query_by_number(dpif, port_nos[i], &dpif_port)) {