mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 16:38:12 +00:00
kernel/sysctl.c: switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating. Besides that it returns pointer of bitmap type instead of opaque void *. Link: http://lkml.kernel.org/r/20190304094037.57756-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
23015b22e4
commit
475dae3854
1 changed files with 2 additions and 4 deletions
|
@ -3178,9 +3178,7 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
|
|||
if (IS_ERR(kbuf))
|
||||
return PTR_ERR(kbuf);
|
||||
|
||||
tmp_bitmap = kcalloc(BITS_TO_LONGS(bitmap_len),
|
||||
sizeof(unsigned long),
|
||||
GFP_KERNEL);
|
||||
tmp_bitmap = bitmap_zalloc(bitmap_len, GFP_KERNEL);
|
||||
if (!tmp_bitmap) {
|
||||
kfree(kbuf);
|
||||
return -ENOMEM;
|
||||
|
@ -3271,7 +3269,7 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
|
|||
*ppos += *lenp;
|
||||
}
|
||||
|
||||
kfree(tmp_bitmap);
|
||||
bitmap_free(tmp_bitmap);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue