diff options
| author | Richard Zhu <Richard.Zhu@freescale.com> | 2015-11-26 09:36:48 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 11:02:41 -0600 |
| commit | bbecaa396f435223500446eef63cd15fd7184e30 (patch) | |
| tree | dabcc23a2c1aaace947985411e88654b2724f6d0 /include | |
| parent | 3b25d94c65a9f01d83b40ba2bd87644140ebf764 (diff) | |
MLK-11894 imx: sema4: fix the out of bounds write
Fix the out of bounds write, and the dereference before
null check.
Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
(cherry picked from commit 775ff0727166535e9b1ba1f70167e6a33fee5f13)
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/imx_sema4.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/imx_sema4.h b/include/linux/imx_sema4.h index fe4808908f77..19850ae7742b 100644 --- a/include/linux/imx_sema4.h +++ b/include/linux/imx_sema4.h @@ -29,7 +29,7 @@ enum { SEMA4_CP1NTF = 0x88, }; -static const unsigned int idx_sema4[16] = { +static const unsigned int idx_sema4[SEMA4_NUM_GATES] = { 1 << 7, 1 << 6, 1 << 5, 1 << 4, 1 << 3, 1 << 2, 1 << 1, 1 << 0, 1 << 15, 1 << 14, 1 << 13, 1 << 12, @@ -52,7 +52,7 @@ struct imx_sema4_mutex_device { int irq; u16 alloced; - struct imx_sema4_mutex *mutex_ptr[16]; + struct imx_sema4_mutex *mutex_ptr[SEMA4_NUM_GATES]; }; struct imx_sema4_mutex * |