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Merge branch 'work.probe_kernel_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull probe_kernel_read() uses from Al Viro:
 "Several open-coded probe_kernel_read()..."

* 'work.probe_kernel_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  dio: use probe_kernel_read()
  hp_sdc: use probe_kernel_read()
  hpfb: use probe_kernel_read()
This commit is contained in:
Linus Torvalds 2017-07-06 22:06:11 -07:00
commit 90880b532a
3 changed files with 4 additions and 25 deletions
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6
drivers/input/serio/hp_sdc.c
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@ -1001,7 +1001,6 @@ static int __init hp_sdc_register(void)
uint8_t tq_init_seq[5];
struct semaphore tq_init_sem;
#if defined(__mc68000__)
mm_segment_t fs;
unsigned char i;
#endif
@ -1026,11 +1025,8 @@ static int __init hp_sdc_register(void)
hp_sdc.base_io = (unsigned long) 0xf0428000;
hp_sdc.data_io = (unsigned long) hp_sdc.base_io + 1;
hp_sdc.status_io = (unsigned long) hp_sdc.base_io + 3;
fs = get_fs();
set_fs(KERNEL_DS);
if (!get_user(i, (unsigned char *)hp_sdc.data_io))
if (!probe_kernel_read(&i, (unsigned char *)hp_sdc.data_io, 1))
hp_sdc.dev = (void *)1;
set_fs(fs);
hp_sdc.dev_err = hp_sdc_init();
#endif
if (hp_sdc.dev == NULL) {