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-rw-r--r--drivers/amba/bus.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index c77eb6e65646..8e6ac3031662 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -87,7 +87,8 @@ static ssize_t driver_override_store(struct device *_dev,
struct amba_device *dev = to_amba_device(_dev);
char *driver_override, *old, *cp;
- if (count > PATH_MAX)
+ /* We need to keep extra room for a newline */
+ if (count >= (PAGE_SIZE - 1))
return -EINVAL;
driver_override = kstrndup(buf, count, GFP_KERNEL);