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cleanup: all lvmcache_add users pass char with 0

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No local copy needed, both users submit zero-end string as pv/vgid.
This commit is contained in:
Zdenek Kabelac 2021-10-01 14:10:39 +02:00
parent 5ccb373d86
commit 79e65a3596
1 changed files with 3 additions and 9 deletions
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12
lib/cache/lvmcache.c vendored
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@ -2166,8 +2166,8 @@ struct lvmcache_info *lvmcache_add(struct cmd_context *cmd, struct labeller *lab
const char *vgname, const char *vgid_arg, uint32_t vgstatus,
int *is_duplicate)
{
char pvid[ID_LEN + 1] __attribute__((aligned(8))) = { 0 };
char vgid[ID_LEN + 1] __attribute__((aligned(8))) = { 0 };
const char *pvid = pvid_arg;
const char *vgid = vgid_arg;
char pvid_dashed[64] __attribute__((aligned(8)));
struct lvmcache_vgsummary vgsummary = { 0 };
struct lvmcache_info *info;
@ -2175,12 +2175,6 @@ struct lvmcache_info *lvmcache_add(struct cmd_context *cmd, struct labeller *lab
struct device_list *devl;
int created = 0;
/* pvid_arg and vgid_arg may not be null terminated */
memcpy(pvid, pvid_arg, ID_LEN);
if (vgid_arg)
memcpy(vgid, vgid_arg, ID_LEN);
if (!id_write_format((const struct id *)&pvid, pvid_dashed, sizeof(pvid_dashed)))
stack;
@ -2282,7 +2276,7 @@ struct lvmcache_info *lvmcache_add(struct cmd_context *cmd, struct labeller *lab
update_vginfo:
vgsummary.vgstatus = vgstatus;
vgsummary.vgname = vgname;
if (vgid[0])
if (vgid && vgid[0])
memcpy(vgsummary.vgid, vgid, ID_LEN);
if (!lvmcache_update_vgname_and_id(cmd, info, &vgsummary)) {