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FMC ADC 100M 14b 4cha
Commit 49c5d983 authored by Tristan Gingold's avatar Tristan Gingold
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fa-debug.c: avoid crash on incorrect write.

parent d155ea15
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Showing with 3 additions and 3 deletions
software/kernel/fa-debug.c
View file @ 49c5d983
......@@ -233,10 +233,10 @@ static ssize_t fa_data_pattern_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct fa_dev *fa = file->private_data;
char buf_l[CMD_SIZE];
char buf_l[CMD_SIZE + 1];
int err;
memset(buf_l, 0, CMD_SIZE);
memset(buf_l, 0, sizeof(buf_l));
err = copy_from_user(buf_l, buf, min(count, CMD_SIZE));
if (err)
return err;
......@@ -248,7 +248,7 @@ static ssize_t fa_data_pattern_write(struct file *file, const char __user *buf,
return err ? err : count;
} else {
dev_err(&fa->pdev->dev, "Unknown command \"%s\"\n", buf);
dev_err(&fa->pdev->dev, "Unknown command \"%s\"\n", buf_l);
return -EINVAL;
}
}
......
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