diff options
| author | Tejun Heo <tj@kernel.org> | 2022-09-23 07:19:38 -1000 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2022-09-23 07:19:38 -1000 |
| commit | 026e14a276c67c8433ecb10e557f0ba23d2b6636 (patch) | |
| tree | 8f57de61bfe542eebbf26f38f237e57f4850cec1 /fs/exec.c | |
| parent | c478bd88362418bd2a1c230215fde184f5642e44 (diff) | |
| parent | df02452f3df069a59bc9e69c84435bf115cb6e37 (diff) | |
Merge branch 'for-6.0-fixes' into for-6.1
for-6.0 has the following fix for cgroup_get_from_id().
836ac87d ("cgroup: fix cgroup_get_from_id")
which conflicts with the following two commits in for-6.1.
4534dee9 ("cgroup: cgroup: Honor caller's cgroup NS when resolving cgroup id")
fa7e439c ("cgroup: Homogenize cgroup_get_from_id() return value")
While the resolution is straightforward, the code ends up pretty ugly
afterwards. Let's pull for-6.0-fixes into for-6.1 so that the code can be
fixed up there.
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/exec.c b/fs/exec.c index f793221f4eb6..9a5ca7b82bfc 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -584,11 +584,11 @@ static int copy_strings(int argc, struct user_arg_ptr argv, if (kmapped_page) { flush_dcache_page(kmapped_page); - kunmap(kmapped_page); + kunmap_local(kaddr); put_arg_page(kmapped_page); } kmapped_page = page; - kaddr = kmap(kmapped_page); + kaddr = kmap_local_page(kmapped_page); kpos = pos & PAGE_MASK; flush_arg_page(bprm, kpos, kmapped_page); } @@ -602,7 +602,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv, out: if (kmapped_page) { flush_dcache_page(kmapped_page); - kunmap(kmapped_page); + kunmap_local(kaddr); put_arg_page(kmapped_page); } return ret; @@ -880,11 +880,11 @@ int transfer_args_to_stack(struct linux_binprm *bprm, for (index = MAX_ARG_PAGES - 1; index >= stop; index--) { unsigned int offset = index == stop ? bprm->p & ~PAGE_MASK : 0; - char *src = kmap(bprm->page[index]) + offset; + char *src = kmap_local_page(bprm->page[index]) + offset; sp -= PAGE_SIZE - offset; if (copy_to_user((void *) sp, src, PAGE_SIZE - offset) != 0) ret = -EFAULT; - kunmap(bprm->page[index]); + kunmap_local(src); if (ret) goto out; } @@ -1686,13 +1686,13 @@ int remove_arg_zero(struct linux_binprm *bprm) ret = -EFAULT; goto out; } - kaddr = kmap_atomic(page); + kaddr = kmap_local_page(page); for (; offset < PAGE_SIZE && kaddr[offset]; offset++, bprm->p++) ; - kunmap_atomic(kaddr); + kunmap_local(kaddr); put_arg_page(page); } while (offset == PAGE_SIZE); |