xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

convert a bunch of open-coded instances of memdup_user_nul()

Browse Source 
A _lot_ of ->write() instances were open-coding it; some are
converted to memdup_user_nul(), a lot more remain...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-12-24 00:06:05 -05:00
parent 7e935c7ca1
commit 16e5c1fc36
12 changed files with 71 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/net/wireless/ath/wil6210/debugfs.c
View File

@@ -580,16 +580,10 @@ static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
long channel;
bool on;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
char *kbuf = memdup_user_nul(buf, len);
if (!kbuf)
return -ENOMEM;
if (copy_from_user(kbuf, buf, len)) {
kfree(kbuf);
return -EIO;
}
kbuf[len] = '\0';
if (IS_ERR(kbuf))
return PTR_ERR(kbuf);
rc = kstrtol(kbuf, 0, &channel);
kfree(kbuf);
if (rc)