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authorOtavio Salvador <otavio@ossystems.com.br>2025-10-01 18:26:47 -0300
committerGitHub <noreply@github.com>2025-10-01 18:26:47 -0300
commit925d4ff9b529f1521bfb34f01c54dfe6d6f21dc9 (patch)
tree0bbc6b039eeea3bb41830ab730b53913a88e2419 /drivers/iio/industrialio-backend.c
parent49f4ca7b487f42e14af67a5235bd806fb93c27f8 (diff)
parent09c71a76accc2f1c288f79beb68939f897c20690 (diff)
Merge pull request #744 from angolini/lf-6.12.20-2.0.0_up_6.12.49toradex_6.12-2.0.x-imx
Lf 6.12.20 2.0.0 up 6.12.49
Diffstat (limited to 'drivers/iio/industrialio-backend.c')
-rw-r--r--drivers/iio/industrialio-backend.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
index 42e0ee683ef6..a3abcdeb6281 100644
--- a/drivers/iio/industrialio-backend.c
+++ b/drivers/iio/industrialio-backend.c
@@ -155,11 +155,14 @@ static ssize_t iio_backend_debugfs_write_reg(struct file *file,
ssize_t rc;
int ret;
+ if (count >= sizeof(buf))
+ return -ENOSPC;
+
rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, userbuf, count);
if (rc < 0)
return rc;
- buf[count] = '\0';
+ buf[rc] = '\0';
ret = sscanf(buf, "%i %i", &back->cached_reg_addr, &val);