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authorTakashi Iwai <tiwai@suse.de>2022-08-01 19:01:08 +0200
committerMark Brown <broonie@kernel.org>2022-08-15 01:19:51 +0100
commita111ae4d7f0796cf2ea0e8bf3ab6c06a401e0560 (patch)
treecff70a3fbabc94fbe63c9270dff99318493a1451 /sound/soc/ti
parent69f7cbfb08c7ee2ca565f532b0073b847db20bdc (diff)
downloadlinux-a111ae4d7f0796cf2ea0e8bf3ab6c06a401e0560.tar.bz2
ASoC: omap: Replace sprintf() with sysfs_emit()
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@suse.de> Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com> Link: https://lore.kernel.org/r/20220801170108.26340-9-tiwai@suse.de Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/ti')
-rw-r--r--sound/soc/ti/omap-mcbsp-st.c6
-rw-r--r--sound/soc/ti/omap-mcbsp.c8
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;
}