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regmap: debugfs: Ensure we don't underflow when printing access masks
[pandora-kernel.git]
/
drivers
/
base
/
regmap
/
regmap-debugfs.c
diff --git
a/drivers/base/regmap/regmap-debugfs.c
b/drivers/base/regmap/regmap-debugfs.c
index
cd252e0
..
6a59663
100644
(file)
--- a/
drivers/base/regmap/regmap-debugfs.c
+++ b/
drivers/base/regmap/regmap-debugfs.c
@@
-140,7
+140,7
@@
static ssize_t regmap_access_read_file(struct file *file,
/* If we're in the region the user is trying to read */
if (p >= *ppos) {
/* ...but not beyond it */
- if (buf_pos
>= count - 1 - tot_len
)
+ if (buf_pos
+ tot_len + 1 >= count
)
break;
/* Format the register */