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diff -Nrup linux-2.4.26-grsec-2.0/drivers/i2c/i2c-core.c linux/drivers/i2c/i2c-core.c
--- linux-2.4.26-grsec-2.0/drivers/i2c/i2c-core.c 2004-02-18 08:36:31.000000000 -0500
+++ linux/drivers/i2c/i2c-core.c 2004-06-17 10:27:36.000000000 -0400
@@ -625,7 +625,7 @@ ssize_t i2cproc_bus_read(struct file * f
size_t len_total;
int order[I2C_CLIENT_MAX];
- if (count > 4000)
+ if ((count > 4000) || (count < 0))
return -EINVAL;
len_total = file->f_pos + count;
/* Too bad if this gets longer (unlikely) */
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