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net: dns_resolver: convert time_t to time64_t

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Changes the definition of the pointer _expiry from time_t to
time64_t. This is to handle the Y2038 problem where time_t
will overflow in the year 2038. The change is safe because
the kernel subsystems that call dns_query pass NULL.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aya Mahfouz 2015-11-18 08:36:44 +02:00 committed by David S. Miller
parent 206b49500d
commit 451c2b5caf
2 changed files with 2 additions and 2 deletions
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2
include/linux/dns_resolver.h
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@ -27,7 +27,7 @@
#ifdef __KERNEL__
extern int dns_query(const char *type, const char *name, size_t namelen,
const char *options, char **_result, time_t *_expiry);
const char *options, char **_result, time64_t *_expiry);
#endif /* KERNEL */

2
net/dns_resolver/dns_query.c
View File

@ -67,7 +67,7 @@
* Returns the size of the result on success, -ve error code otherwise.
*/
int dns_query(const char *type, const char *name, size_t namelen,
const char *options, char **_result, time_t *_expiry)
const char *options, char **_result, time64_t *_expiry)
{
struct key *rkey;
const struct user_key_payload *upayload;