Messages in this thread | | | Date | Thu, 26 Jun 2014 06:11:57 +0800 | From | Chen Gang <> | Subject | Re: [PATCH] arch/score/include/asm/uaccess.h: Use standard clear_user() prototype |
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On 06/25/2014 11:29 PM, Lennox Wu wrote: > Thanks for the patch. > > Acked-by: Lennox Wu<lennox.wu@gmail.com> >
Thank you for your work, and I shall continue, hope I can finish allmodconfig for score within next month (2014-07-31).
Thanks.
> 2014-06-22 20:29 GMT+08:00 Chen Gang <gang.chen.5i5j@gmail.com>: >> Use standard clear_user() just like another architectures, also match >> __clear_user() under score. >> >> The related warning (allmodconfig under score): >> >> CC [M] drivers/md/dm-ioctl.o >> drivers/md/dm-ioctl.c: In function 'copy_params': >> drivers/md/dm-ioctl.c:1728:33: warning: passing argument 1 of 'clear_user' from incompatible pointer type >> if (secure_data && clear_user(user, param_kernel->data_size)) >> ^ >> In file included from include/linux/uaccess.h:5:0, >> from include/linux/highmem.h:8, >> from include/linux/bio.h:23, >> from include/linux/device-mapper.h:11, >> from drivers/md/dm.h:14, >> from drivers/md/dm-ioctl.c:8: >> ./arch/score/include/asm/uaccess.h:364:29: note: expected 'char *' but argument is of type 'struct dm_ioctl *' >> static inline unsigned long clear_user(char *src, unsigned long size) >> ^ >> >> Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> >> --- >> arch/score/include/asm/uaccess.h | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h >> index ab66ddd..259a539 100644 >> --- a/arch/score/include/asm/uaccess.h >> +++ b/arch/score/include/asm/uaccess.h >> @@ -361,7 +361,8 @@ copy_in_user(void *to, const void *from, unsigned long len) >> */ >> extern unsigned long __clear_user(void __user *src, unsigned long size); >> >> -static inline unsigned long clear_user(char *src, unsigned long size) >> +static inline unsigned long __must_check clear_user(void __user *src, >> + unsigned long size) >> { >> if (access_ok(VERIFY_WRITE, src, size)) >> return __clear_user(src, size); >> -- >> 1.9.2.459.g68773ac
-- Chen Gang
Open share and attitude like air water and life which God blessed
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