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authorEmmanuel Vasilakis <mrzammler@mm.st>2022-06-17 23:32:19 +0300
committerGitHub <noreply@github.com>2022-06-17 23:32:19 +0300
commit66501252514b36a18788fb1a0987f46a19fa4cb7 (patch)
treee0316e99832052846d6405b27530f329c5a33fb1 /libnetdata
parentbb73237748a59290cd92e678978db41f09a11635 (diff)
Fix coverity 378587 (#13024)
* check for return value of sysconf * if sysconf fails set OWA_NATURAL_PAGE_SIZE to 4096
Diffstat (limited to 'libnetdata')
-rw-r--r--libnetdata/onewayalloc/onewayalloc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/libnetdata/onewayalloc/onewayalloc.c b/libnetdata/onewayalloc/onewayalloc.c
index 267e386341..6023eff983 100644
--- a/libnetdata/onewayalloc/onewayalloc.c
+++ b/libnetdata/onewayalloc/onewayalloc.c
@@ -30,8 +30,13 @@ static inline size_t natural_alignment(size_t size) {
// any number of times, for any amount of memory.
static OWA_PAGE *onewayalloc_create_internal(OWA_PAGE *head, size_t size_hint) {
- if(unlikely(!OWA_NATURAL_PAGE_SIZE))
- OWA_NATURAL_PAGE_SIZE = sysconf(_SC_PAGE_SIZE);
+ if(unlikely(!OWA_NATURAL_PAGE_SIZE)) {
+ long int page_size = sysconf(_SC_PAGE_SIZE);
+ if (unlikely(page_size == -1))
+ OWA_NATURAL_PAGE_SIZE = 4096;
+ else
+ OWA_NATURAL_PAGE_SIZE = page_size;
+ }
// our default page size
size_t size = OWA_NATURAL_PAGE_SIZE;