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authorCarlos Chinea <carlos.chinea@nokia.com>2012-04-13 16:03:03 +0300
committerCarlos Chinea <carlos.chinea@nokia.com>2012-04-23 14:23:32 +0300
commitfdadb6e9a5cf65c7662b2ca817856f187d05ab7d (patch)
treef1dee4d73e6ff868d9c986bc9aa936bef82aed69 /drivers/hsi
parentec1c56ff813a198d656d4aa42e5de03e45751bf8 (diff)
downloadlinaro-lsk-fdadb6e9a5cf65c7662b2ca817856f187d05ab7d.tar.gz
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: Carlos Chinea <carlos.chinea@nokia.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/hsi')
-rw-r--r--drivers/hsi/clients/hsi_char.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
index 88a050df238..3ad91f6447d 100644
--- a/drivers/hsi/clients/hsi_char.c
+++ b/drivers/hsi/clients/hsi_char.c
@@ -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,