LU-9679 lustre: avoid cast of file->private_data

[fs/lustre-release.git] / lustre / quota / qsd_lib.c

diff --git a/lustre/quota/qsd_lib.c b/lustre/quota/qsd_lib.c
index da1c7c8..cbdd74e 100644 (file)
--- a/lustre/quota/qsd_lib.c
+++ b/lustre/quota/qsd_lib.c
@@ -168,6 +168,7 @@ static ssize_t qsd_enabled_seq_write(struct file *file,
        if (copy_from_user(valstr, buffer, count))
                GOTO(out, count = -EFAULT);
 
+       valstr[sizeof(valstr) - 1] = 0;
        if (strchr(valstr, 'u'))
                enabled |= BIT(USRQUOTA);
        if (strchr(valstr, 'g'))
@@ -200,7 +201,8 @@ static ssize_t
 lprocfs_force_reint_seq_write(struct file *file, const char __user *buffer,
                                size_t count, loff_t *off)
 {
-       struct qsd_instance *qsd = ((struct seq_file *)file->private_data)->private;
+       struct seq_file     *m = file->private_data;
+       struct qsd_instance *qsd = m->private;
        int                  rc = 0, qtype;
 
        LASSERT(qsd != NULL);
@@ -247,7 +249,8 @@ static ssize_t
 qsd_timeout_seq_write(struct file *file, const char __user *buffer,
                        size_t count, loff_t *off)
 {
-       struct qsd_instance *qsd = ((struct seq_file *)file->private_data)->private;
+       struct seq_file *m = file->private_data;
+       struct qsd_instance *qsd = m->private;
        time64_t timeout;
        int rc;