Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / fs / cifs / cifs_debug.c

diff --git a/kernel/fs/cifs/cifs_debug.c b/kernel/fs/cifs/cifs_debug.c
index 50b2684..0a3544f 100644 (file)
--- a/kernel/fs/cifs/cifs_debug.c
+++ b/kernel/fs/cifs/cifs_debug.c
@@ -152,6 +152,7 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
        list_for_each(tmp1, &cifs_tcp_ses_list) {
                server = list_entry(tmp1, struct TCP_Server_Info,
                                    tcp_ses_list);
+               seq_printf(m, "\nNumber of credits: %d", server->credits);
                i++;
                list_for_each(tmp2, &server->smb_ses_list) {
                        ses = list_entry(tmp2, struct cifs_ses,
@@ -255,7 +256,6 @@ static const struct file_operations cifs_debug_data_proc_fops = {
 static ssize_t cifs_stats_proc_write(struct file *file,
                const char __user *buffer, size_t count, loff_t *ppos)
 {
-       char c;
        bool bv;
        int rc;
        struct list_head *tmp1, *tmp2, *tmp3;
@@ -263,11 +263,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
        struct cifs_ses *ses;
        struct cifs_tcon *tcon;
 
-       rc = get_user(c, buffer);
-       if (rc)
-               return rc;
-
-       if (strtobool(&c, &bv) == 0) {
+       rc = kstrtobool_from_user(buffer, count, &bv);
+       if (rc == 0) {
 #ifdef CONFIG_CIFS_STATS2
                atomic_set(&totBufAllocCount, 0);
                atomic_set(&totSmBufAllocCount, 0);
@@ -290,6 +287,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
                        }
                }
                spin_unlock(&cifs_tcp_ses_lock);
+       } else {
+               return rc;
        }
 
        return count;
@@ -433,17 +432,17 @@ static int cifsFYI_proc_open(struct inode *inode, struct file *file)
 static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
                size_t count, loff_t *ppos)
 {
-       char c;
+       char c[2] = { '\0' };
        bool bv;
        int rc;
 
-       rc = get_user(c, buffer);
+       rc = get_user(c[0], buffer);
        if (rc)
                return rc;
-       if (strtobool(&c, &bv) == 0)
+       if (strtobool(c, &bv) == 0)
                cifsFYI = bv;
-       else if ((c > '1') && (c <= '9'))
-               cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
+       else if ((c[0] > '1') && (c[0] <= '9'))
+               cifsFYI = (int) (c[0] - '0'); /* see cifs_debug.h for meanings */
 
        return count;
 }
@@ -471,20 +470,12 @@ static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
 static ssize_t cifs_linux_ext_proc_write(struct file *file,
                const char __user *buffer, size_t count, loff_t *ppos)
 {
-       char c;
-       bool bv;
        int rc;
 
-       rc = get_user(c, buffer);
+       rc = kstrtobool_from_user(buffer, count, &linuxExtEnabled);
        if (rc)
                return rc;
 
-       rc = strtobool(&c, &bv);
-       if (rc)
-               return rc;
-
-       linuxExtEnabled = bv;
-
        return count;
 }
 
@@ -511,20 +502,12 @@ static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
 static ssize_t cifs_lookup_cache_proc_write(struct file *file,
                const char __user *buffer, size_t count, loff_t *ppos)
 {
-       char c;
-       bool bv;
        int rc;
 
-       rc = get_user(c, buffer);
+       rc = kstrtobool_from_user(buffer, count, &lookupCacheEnabled);
        if (rc)
                return rc;
 
-       rc = strtobool(&c, &bv);
-       if (rc)
-               return rc;
-
-       lookupCacheEnabled = bv;
-
        return count;
 }
 
@@ -551,20 +534,12 @@ static int traceSMB_proc_open(struct inode *inode, struct file *file)
 static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
                size_t count, loff_t *ppos)
 {
-       char c;
-       bool bv;
        int rc;
 
-       rc = get_user(c, buffer);
+       rc = kstrtobool_from_user(buffer, count, &traceSMB);
        if (rc)
                return rc;
 
-       rc = strtobool(&c, &bv);
-       if (rc)
-               return rc;
-
-       traceSMB = bv;
-
        return count;
 }
 
@@ -622,7 +597,6 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
        int rc;
        unsigned int flags;
        char flags_string[12];
-       char c;
        bool bv;
 
        if ((count < 1) || (count > 11))
@@ -635,11 +609,10 @@ static ssize_t cifs_security_flags_proc_write(struct file *file,
 
        if (count < 3) {
                /* single char or single char followed by null */
-               c = flags_string[0];
-               if (strtobool(&c, &bv) == 0) {
+               if (strtobool(flags_string, &bv) == 0) {
                        global_secflags = bv ? CIFSSEC_MAX : CIFSSEC_DEF;
                        return count;
-               } else if (!isdigit(c)) {
+               } else if (!isdigit(flags_string[0])) {
                        cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
                                        flags_string);
                        return -EINVAL;