Lines Matching defs:buf
25 static char *buf;
45 /* make sure the buf is not allocated */
46 kfree(buf);
47 buf = kzalloc(max_size, GFP_KERNEL);
48 if (!buf)
52 if (buf == NULL)
59 kfree(buf);
60 buf = NULL;
64 if (copy_from_user(buf + (*ppos), user_buf, count)) {
65 kfree(buf);
66 buf = NULL;
74 status = acpi_install_method(buf);
75 kfree(buf);
76 buf = NULL;