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RK31/RK30:add vfree(buf); to fix memory leaks in video_state_write();

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This commit is contained in:
cym 2013-09-17 14:18:07 +08:00
parent a03d9721b8
commit db38a404c2
1 changed files with 4 additions and 0 deletions
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4
arch/arm/plat-rk/ddr_freq.c
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@ -302,8 +302,10 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
cookie_pot = buf;
if (count < 1)
vfree(buf);
return count;
if (copy_from_user(cookie_pot, buffer, count)) {
vfree(buf);
return -EFAULT;
}
@ -349,10 +351,12 @@ static ssize_t video_state_write(struct file *file, const char __user *buffer,
}
break;
default:
vfree(buf);
return -EINVAL;
}
ddr.video_state = state;
vfree(buf);
return count;
}