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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2022-10-05 12:21:55 +0300
committerBenjamin Tissoires <benjamin.tissoires@redhat.com>2022-10-05 12:21:55 +0300
commitedd1533d3ccd82dd5d600986d27d524e6be4c5fd (patch)
tree1ac5ae82ea63114d5c13212e2819531e4507f800 /fs/exec.c
parent7d8fe4cfc54b5fb2093e12cffa8ca74d3c88e0fa (diff)
parent98d67f250472cdd0f8d083830be3ec9dbb0c65a8 (diff)
downloadlinux-edd1533d3ccd82dd5d600986d27d524e6be4c5fd.tar.xz
Merge branch 'for-6.1/logitech' into for-linus
- Add hanlding of all Bluetooth HID++ devices and fixes in hid++ (Bastien Nocera)
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 5fd73915c62c..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;
}
@@ -1304,6 +1304,9 @@ int begin_new_exec(struct linux_binprm * bprm)
bprm->mm = NULL;
#ifdef CONFIG_POSIX_TIMERS
+ spin_lock_irq(&me->sighand->siglock);
+ posix_cpu_timers_exit(me);
+ spin_unlock_irq(&me->sighand->siglock);
exit_itimers(me);
flush_itimer_signals();
#endif
@@ -1683,13 +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);