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| author | Takashi Iwai <tiwai@suse.de> | 2015-10-23 06:57:50 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-10-23 06:57:50 +0200 |
| commit | 274035751e25ee15a064e43cde7b4e7a9b75d921 (patch) | |
| tree | bf5f3f18f14855043324ef02a116532d866e3dac /drivers/base/regmap/regmap-debugfs.c | |
| parent | 53e597b1d194910bef53ed0632da329fef497904 (diff) | |
| parent | a5be88f63eaff1c03774aecd7388015cb87f6b2c (diff) | |
Merge branch 'topic/hw-constraint-single' into for-next
Diffstat (limited to 'drivers/base/regmap/regmap-debugfs.c')
| -rw-r--r-- | drivers/base/regmap/regmap-debugfs.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index f42f2bac6466..4c55cfbad19e 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -32,8 +32,7 @@ static DEFINE_MUTEX(regmap_debugfs_early_lock); /* Calculate the length of a fixed format */ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size) { - snprintf(buf, buf_size, "%x", max_val); - return strlen(buf); + return snprintf(NULL, 0, "%x", max_val); } static ssize_t regmap_name_read_file(struct file *file, @@ -432,7 +431,7 @@ 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 */ |