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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-27 05:44:41 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-05-27 21:41:17 +0200 |
| commit | fd7e8816990b12143c0872822b524ab7d956c3ae (patch) | |
| tree | 42883639e5ea3b61d7d96b447500359890a315f4 /drivers/video/fbdev/hpfb.c | |
| parent | Linux 4.12-rc1 (diff) | |
| download | linux-fd7e8816990b12143c0872822b524ab7d956c3ae.tar.xz linux-fd7e8816990b12143c0872822b524ab7d956c3ae.zip | |
hpfb: use probe_kernel_read()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/video/fbdev/hpfb.c')
| -rw-r--r-- | drivers/video/fbdev/hpfb.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index 16f16f5e1a4b..9230db9ea94b 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -377,7 +377,6 @@ static struct dio_driver hpfb_driver = { int __init hpfb_init(void) { unsigned int sid; - mm_segment_t fs; unsigned char i; int err; @@ -402,10 +401,7 @@ int __init hpfb_init(void) if (err) return err; - fs = get_fs(); - set_fs(KERNEL_DS); - err = get_user(i, (unsigned char *)INTFBVADDR + DIO_IDOFF); - set_fs(fs); + err = probe_kernel_read(&i, (unsigned char *)INTFBVADDR + DIO_IDOFF, 1); if (!err && (i == DIO_ID_FBUFFER) && topcat_sid_ok(sid = DIO_SECID(INTFBVADDR))) { if (!request_mem_region(INTFBPADDR, DIO_DEVSIZE, "Internal Topcat")) |