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Subject[PATCH] net: dns_resolver: convert time_t to time64_t
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>
---
Changelog:
v1: The changes were originally made by Arnd Bergmann in
relation to time_t. I've broken down a patch sent to me
into two independent patches.

include/linux/dns_resolver.h | 2 +-
net/dns_resolver/dns_query.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/dns_resolver.h b/include/linux/dns_resolver.h
index cc92268..6ac3cad 100644
--- a/include/linux/dns_resolver.h
+++ b/include/linux/dns_resolver.h
@@ -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 */

diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index 4677b6f..ecc28cf 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -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;
--
2.4.3

--
Kind Regards,
Aya Saif El-yazal Mahfouz


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