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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>
This commit is contained in:
Carlos Chinea 2012-04-13 16:03:03 +03:00
parent ec1c56ff81
commit fdadb6e9a5
1 changed files with 1 additions and 1 deletions
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drivers/hsi/clients/hsi_char.c
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@ -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,