devargs: introduce removal function

[dpdk.git] / lib / librte_eal / common / eal_common_devargs.c

diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
index 49d43a3..bcdee13 100644 (file)
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -41,6 +41,7 @@
 #include <string.h>
 
 #include <rte_devargs.h>
+#include <rte_tailq.h>
 #include "eal_private.h"
 
 /** Global list of user devices */
@@ -182,6 +183,24 @@ fail:
        return -1;
 }
 
+int
+rte_eal_devargs_remove(const char *busname, const char *devname)
+{
+       struct rte_devargs *d;
+       void *tmp;
+
+       TAILQ_FOREACH_SAFE(d, &devargs_list, next, tmp) {
+               if (strcmp(d->bus->name, busname) == 0 &&
+                   strcmp(d->name, devname) == 0) {
+                       TAILQ_REMOVE(&devargs_list, d, next);
+                       free(d->args);
+                       free(d);
+                       return 0;
+               }
+       }
+       return 1;
+}
+
 /* count the number of devices of a specified type */
 unsigned int
 rte_eal_devargs_type_count(enum rte_devtype devtype)