Dear Greg, 2016-12-03 21:48 GMT+09:00 Chanwoo Choi <cwcho...@gmail.com>: > Hi Pan, > > 2016-12-03 17:56 GMT+09:00 Pan Bian <bianpan2...@163.com>: >> Function get_zeroed_page() returns a NULL pointer if there is no enough >> memory. In function extcon_sync(), it returns 0 if the call to >> get_zeroed_page() fails. The return value 0 indicates success in the >> context, which is incosistent with the execution status. This patch >> fixes the bug by returning -ENOMEM. >> >> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188611 >> >> Signed-off-by: Pan Bian <bianpan2...@163.com> >> --- >> drivers/extcon/extcon.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c >> index 7829846..7c1e3a7 100644 >> --- a/drivers/extcon/extcon.c >> +++ b/drivers/extcon/extcon.c >> @@ -453,7 +453,7 @@ int extcon_sync(struct extcon_dev *edev, unsigned int id) >> dev_err(&edev->dev, "out of memory in extcon_set_state\n"); >> kobject_uevent(&edev->dev.kobj, KOBJ_CHANGE); >> >> - return 0; >> + return -ENOMEM; >> } >> >> length = name_show(&edev->dev, NULL, prop_buf); >> -- >> 1.9.1 >> >> > > Looks good to me. > > Acked-by: Chanwoo Choi <cw00.c...@samsung.com>
This patch fixed the issue extcon_sync's patch[1]. I think this patch should be applied on v4.9. [1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a580982f0836e079171f65f22d82768a12f85570 Could you please pick this patch on your char-msic.git treedirectly? -- Best Regards, Chanwoo Choi