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Subject[PATCH 2/2] coredump: call do_unlinkat directly instead of sys_unlink
Date
And stop messing with the address limit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/coredump.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/fs/coredump.c b/fs/coredump.c
index 592683711c64..10a020639a94 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -679,16 +679,11 @@ void do_coredump(const siginfo_t *siginfo)
* privs and don't want to unlink another user's coredump.
*/
if (!need_suid_safe) {
- mm_segment_t old_fs;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
/*
* If it doesn't exist, that's fine. If there's some
* other problem, we'll catch it at the filp_open().
*/
- (void) sys_unlink((const char __user *)cn.corename);
- set_fs(old_fs);
+ do_unlinkat(AT_FDCWD, getname_kernel(cn.corename));
}

/*
--
2.11.0
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