Commit fdadb6e9 authored by Carlos Chinea's avatar Carlos Chinea
Browse files

HSI: hsi_char: Remove max_data_size from sysfs

Remove max_data_size sysfs entry. Otherwise is possible
to have a buffer overrun if its value is increased after
the device is open.
Signed-off-by: default avatarCarlos Chinea <>
Acked-by: default avatarGreg Kroah-Hartman <>
Acked-by: default avatarLinus Walleij <>
parent ec1c56ff
......@@ -123,7 +123,7 @@ struct hsc_client_data {
static unsigned int hsc_major;
/* Maximum buffer size that hsi_char will accept from userspace */
static unsigned int max_data_size = 0x1000;
module_param(max_data_size, uint, S_IRUSR | S_IWUSR);
module_param(max_data_size, uint, 0);
MODULE_PARM_DESC(max_data_size, "max read/write data size [4,8..65536] (^2)");
static void hsc_add_tail(struct hsc_channel *channel, struct hsi_msg *msg,
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