Commit
3939fcde24473dc09ce16e922c88df9b3bee45d9
Exists in
master
and in
39 other branches
8mp-imx_5.4.70_2.3.0, 8qm-imx_5.4.70_2.3.0, emb_imx_lf-5.15.y, emb_lf-6.1.y, imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, imx_4.1.15_1.0.0_ga, pitx_8mp_lf-5.10.y, rt-smarc-imx_4.1.15_1.0.0_ga, rt_linux_5.15.71, smarc-8m-android-11.0.0_2.0.0, smarc-imx6_4.14.98_2.0.0_ga, smarc-imx6_4.9.88_2.0.0_ga, smarc-imx7_4.14.98_2.0.0_ga, smarc-imx7_4.9.11_1.0.0_ga, smarc-imx7_4.9.88_2.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-imx_4.1.15_1.0.0_ga, smarc-imx_4.9.11_1.0.0_ga, smarc-imx_4.9.51_imx8m_ga, smarc-imx_4.9.88_2.0.0_ga, smarc-m6.0.1_2.1.0-ga, smarc-n7.1.2_2.0.0-ga, smarc-rel_imx_4.1.15_1.2.0_ga, smarc_8m_00d0_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.14.78_1.0.0_ga, smarc_8m_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.19.35_1.1.0, smarc_8mm_imx_4.14.78_1.0.0_ga, smarc_8mm_imx_4.14.98_2.0.0_ga, smarc_8mm_imx_4.19.35_1.1.0, smarc_8mm_imx_5.4.24_2.1.0, smarc_8mp_lf-5.10.y, smarc_8mq_imx_5.4.24_2.1.0, smarc_8mq_lf-5.10.y, smarc_imx_lf-5.15.y
xattr: use memdup_user()
Remove open-coded memdup_user()
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Showing
1 changed file
with
3 additions
and
7 deletions
Side-by-side Diff
| ... |
... |
@@ -237,13 +237,9 @@ |
|
237
|
237 |
if (size) { |
|
238
|
238 |
if (size > XATTR_SIZE_MAX) |
|
239
|
239 |
return -E2BIG; |
|
240
|
|
- kvalue = kmalloc(size, GFP_KERNEL); |
|
241
|
|
- if (!kvalue) |
|
242
|
|
- return -ENOMEM; |
|
243
|
|
- if (copy_from_user(kvalue, value, size)) { |
|
244
|
|
- kfree(kvalue); |
|
245
|
|
- return -EFAULT; |
|
246
|
|
- } |
|
|
240 |
+ kvalue = memdup_user(value, size); |
|
|
241 |
+ if (IS_ERR(kvalue)) |
|
|
242 |
+ return PTR_ERR(kvalue); |
|
247
|
243 |
} |
|
248
|
244 |
|
|
249
|
245 |
error = vfs_setxattr(d, kname, kvalue, size, flags); |
Al Viro