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util: Expose function nullable_string_is_equal.

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Implementation of 'nullable_string_is_equal()' moved to util.c and
reused inside dpif-netdev.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Acked-by: Daniele Di Proietto <diproiettod@vmware.com>
This commit is contained in:
Ilya Maximets
2016-07-15 14:54:53 +03:00
committed by Daniele Di Proietto
parent b379037079
commit aacf18c3a7
5 changed files with 9 additions and 24 deletions
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14
lib/dpif-netdev.c
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@@ -2514,16 +2514,6 @@ dpif_netdev_operate(struct dpif *dpif, struct dpif_op **ops, size_t n_ops)
}
}
static bool
cmask_equals(const char *a, const char *b)
{
if (a && b) {
return !strcmp(a, b);
}
return a == NULL && b == NULL;
}
/* Changes the number or the affinity of pmd threads. The changes are actually
* applied in dpif_netdev_run(). */
static int
@@ -2531,7 +2521,7 @@ dpif_netdev_pmd_set(struct dpif *dpif, const char *cmask)
{
struct dp_netdev *dp = get_dp_netdev(dpif);
if (!cmask_equals(dp->requested_pmd_cmask, cmask)) {
if (!nullable_string_is_equal(dp->requested_pmd_cmask, cmask)) {
free(dp->requested_pmd_cmask);
dp->requested_pmd_cmask = nullable_xstrdup(cmask);
}
@@ -2741,7 +2731,7 @@ dpif_netdev_run(struct dpif *dpif)
dp_netdev_pmd_unref(non_pmd);
if (!cmask_equals(dp->pmd_cmask, dp->requested_pmd_cmask)
if (!nullable_string_is_equal(dp->pmd_cmask, dp->requested_pmd_cmask)
|| ports_require_restart(dp)) {
reconfigure_pmd_threads(dp);
}