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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-05-14 15:44:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:52:51 -0700 |
| commit | 475dae385497dde3f25271ce77b526a1e54a472a (patch) | |
| tree | 34bc7e41b259273c74034e507907467be75ff67f /kernel/sysctl.c | |
| parent | 23015b22e47c5409620b1726a677d69e5cd032ba (diff) | |
| download | lwn-475dae385497dde3f25271ce77b526a1e54a472a.tar.gz lwn-475dae385497dde3f25271ce77b526a1e54a472a.zip | |
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>
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index ba158f61aab4..d82f9161adb8 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -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; } |