Commit b9e50d0c authored by Sumit Pundir's avatar Sumit Pundir Committed by Greg Kroah-Hartman

staging: mt7621-mmc: place a check for sscanf

Placed a check for the return value of sscanf. -EINVAL is returned if
the value is anything other than expected. Reported by checkpatch.pl
Signed-off-by: default avatarSumit Pundir <pundirsumit11@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fff12fcd
......@@ -249,7 +249,9 @@ static ssize_t msdc_debug_proc_write(struct file *file,
cmd_buf[count] = '\0';
pr_debug("msdc Write %s\n", cmd_buf);
sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2);
ret = sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2);
if (ret != 3)
return -EINVAL;
if (cmd == SD_TOOL_ZONE) {
id = p1;
......
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