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rbd: remove stack allocations

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2019-02-05 07:44:13 +01:00
parent 9371d3f2b6
commit 3206805085
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 3 additions and 2 deletions
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5
src/lxc/storage/rbd.c
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@ -33,6 +33,7 @@
#include "config.h" #include "config.h"
#include "log.h" #include "log.h"
#include "memory_utils.h"
#include "storage.h" #include "storage.h"
#include "storage_utils.h" #include "storage_utils.h"
#include "utils.h" #include "utils.h"
@ -195,9 +196,9 @@ int rbd_create(struct lxc_storage *bdev, const char *dest, const char *n,
int rbd_destroy(struct lxc_storage *orig) int rbd_destroy(struct lxc_storage *orig)
{ {
__do_free char *rbdfullname = NULL;
int ret; int ret;
const char *src; const char *src;
char *rbdfullname;
char cmd_output[PATH_MAX]; char cmd_output[PATH_MAX];
struct rbd_args args = {0}; struct rbd_args args = {0};
size_t len; size_t len;
@ -215,7 +216,7 @@ int rbd_destroy(struct lxc_storage *orig)
} }
len = strlen(src); len = strlen(src);
rbdfullname = alloca(len - 8); rbdfullname = must_realloc(NULL, len - 8);
(void)strlcpy(rbdfullname, &src[9], len - 8); (void)strlcpy(rbdfullname, &src[9], len - 8);
args.rbd_name = rbdfullname; args.rbd_name = rbdfullname;