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-rw-r--r--fs/proc/kcore.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 70733780fdd9..3d0485c361c7 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -107,6 +107,8 @@ static void free_kclist_ents(struct list_head *head)
*/
static void __kcore_update_ram(struct list_head *list)
{
+ int nphdr;
+ size_t size;
struct kcore_list *tmp, *pos;
LIST_HEAD(garbage);
@@ -121,6 +123,7 @@ static void __kcore_update_ram(struct list_head *list)
} else
list_splice(list, &garbage);
kcore_need_update = 0;
+ proc_root_kcore->size = get_kcore_size(&nphdr, &size);
write_unlock(&kclist_lock);
free_kclist_ents(&garbage);
@@ -429,7 +432,8 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
unsigned long start;
read_lock(&kclist_lock);
- proc_root_kcore->size = size = get_kcore_size(&nphdr, &elf_buflen);
+ size = get_kcore_size(&nphdr, &elf_buflen);
+
if (buflen == 0 || *fpos >= size) {
read_unlock(&kclist_lock);
return 0;