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Don't allow for duplicated entries creation.

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This commit is contained in:
Pawel Jakub Dawidek 2004-06-07 13:33:09 +00:00
parent 37ad0f498f
commit 0e11f0a93b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130191
1 changed files with 11 additions and 5 deletions
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16
sys/geom/nop/g_nop.c
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@ -124,6 +124,7 @@ g_nop_create(struct gctl_req *req, struct g_class *mp, struct g_provider *pp,
struct g_geom *gp;
struct g_provider *newpp;
struct g_consumer *cp;
char name[64];
int error;
g_topology_assert();
@ -132,10 +133,16 @@ g_nop_create(struct gctl_req *req, struct g_class *mp, struct g_provider *pp,
newpp = NULL;
cp = NULL;
gp = g_new_geomf(mp, "%s%s", pp->name, G_NOP_SUFFIX);
snprintf(name, sizeof(name), "%s%s", pp->name, G_NOP_SUFFIX);
LIST_FOREACH(gp, &mp->geom, geom) {
if (strcmp(gp->name, name) == 0) {
gctl_error(req, "Provider %s already exists.", name);
return (EEXIST);
}
}
gp = g_new_geomf(mp, name);
if (gp == NULL) {
gctl_error(req, "Cannot create geom %s%s.", pp->name,
G_NOP_SUFFIX);
gctl_error(req, "Cannot create geom %s%s.", name);
return (ENOMEM);
}
gp->softc = NULL;
@ -147,8 +154,7 @@ g_nop_create(struct gctl_req *req, struct g_class *mp, struct g_provider *pp,
newpp = g_new_providerf(gp, gp->name);
if (newpp == NULL) {
gctl_error(req, "Cannot create provider %s%s.", pp->name,
G_NOP_SUFFIX);
gctl_error(req, "Cannot create provider %s%s.", name);
error = ENOMEM;
goto fail;
}