[PATCH 8/8] ASoC: omap: Replace sprintf() with sysfs_emit()
Takashi Iwai
tiwai at suse.de
Mon Aug 1 19:01:08 CEST 2022
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces the open code
with new helpers, sysfs_emit() and sysfs_emit_at(), with the proper
string offset.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/soc/ti/omap-mcbsp-st.c | 6 +++---
sound/soc/ti/omap-mcbsp.c | 8 ++++----
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/sound/soc/ti/omap-mcbsp-st.c b/sound/soc/ti/omap-mcbsp-st.c
index 7e8179cae92e..8163f453bf36 100644
--- a/sound/soc/ti/omap-mcbsp-st.c
+++ b/sound/soc/ti/omap-mcbsp-st.c
@@ -244,10 +244,10 @@ static ssize_t st_taps_show(struct device *dev,
spin_lock_irq(&mcbsp->lock);
for (i = 0; i < st_data->nr_taps; i++)
- status += sprintf(&buf[status], (i ? ", %d" : "%d"),
- st_data->taps[i]);
+ status += sysfs_emit_at(buf, status, (i ? ", %d" : "%d"),
+ st_data->taps[i]);
if (i)
- status += sprintf(&buf[status], "\n");
+ status += sysfs_emit_at(buf, status, "\n");
spin_unlock_irq(&mcbsp->lock);
return status;
diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c
index c4ac1f30b9fe..0b377bb7737f 100644
--- a/sound/soc/ti/omap-mcbsp.c
+++ b/sound/soc/ti/omap-mcbsp.c
@@ -517,7 +517,7 @@ static ssize_t prop##_show(struct device *dev, \
{ \
struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); \
\
- return sprintf(buf, "%u\n", mcbsp->prop); \
+ return sysfs_emit(buf, "%u\n", mcbsp->prop); \
} \
\
static ssize_t prop##_store(struct device *dev, \
@@ -560,11 +560,11 @@ static ssize_t dma_op_mode_show(struct device *dev,
for (s = &dma_op_modes[i]; i < ARRAY_SIZE(dma_op_modes); s++, i++) {
if (dma_op_mode == i)
- len += sprintf(buf + len, "[%s] ", *s);
+ len += sysfs_emit_at(buf, len, "[%s] ", *s);
else
- len += sprintf(buf + len, "%s ", *s);
+ len += sysfs_emit_at(buf, len, "%s ", *s);
}
- len += sprintf(buf + len, "\n");
+ len += sysfs_emit_at(buf, len, "\n");
return len;
}
--
2.35.3
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