提交 e4b41fb9 编写于 作者: S Sachin Prabhu 提交者: Steve French

Fix UNC parsing on mount

The code cleanup of cifs_parse_mount_options resulted in a new bug being
introduced in the parsing of the UNC. This results in vol->UNC being
modified before vol->UNC was allocated.
Reported-by: NSteve French <smfrench@gmail.com>
Signed-off-by: NSachin Prabhu <sprabhu@redhat.com>
Signed-off-by: NSteve French <sfrench@us.ibm.com>
上级 10238074
......@@ -1648,6 +1648,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
goto cifs_parse_mount_err;
}
vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
if (vol->UNC == NULL) {
printk(KERN_WARNING "CIFS: no memory for UNC\n");
goto cifs_parse_mount_err;
}
strcpy(vol->UNC, string);
if (strncmp(string, "//", 2) == 0) {
vol->UNC[0] = '\\';
vol->UNC[1] = '\\';
......@@ -1657,13 +1664,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
goto cifs_parse_mount_err;
}
vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
if (vol->UNC == NULL) {
printk(KERN_WARNING "CIFS: no memory "
"for UNC\n");
goto cifs_parse_mount_err;
}
strcpy(vol->UNC, string);
break;
case Opt_domain:
string = match_strdup(args);
......
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