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path: root/drivers/video/via/viafbdev.c
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Diffstat (limited to 'drivers/video/via/viafbdev.c')
-rw-r--r--drivers/video/via/viafbdev.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 2bc40e682f95..1082541358f0 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -578,14 +578,9 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
break;
case VIAFB_SET_GAMMA_LUT:
- viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
- if (!viafb_gamma_table)
- return -ENOMEM;
- if (copy_from_user(viafb_gamma_table, argp,
- 256 * sizeof(u32))) {
- kfree(viafb_gamma_table);
- return -EFAULT;
- }
+ viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
+ if (IS_ERR(viafb_gamma_table))
+ return PTR_ERR(viafb_gamma_table);
viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
kfree(viafb_gamma_table);
break;