staging: speakup: fix warnings by adding __user annotations

This patch fixes the following sparse warnings by adding
__user annotations.

drivers/staging/speakup/speakup_soft.c:248:34: warning:
        incorrect type in argument 1 (different address spaces)
        drivers/staging/speakup/speakup_soft.c:248:34:
        expected void [noderef] <asn:1>*dst
        drivers/staging/speakup/speakup_soft.c:248:34:
        got char *[assigned] cp
drivers/staging/speakup/speakup_soft.c:272:40: warning:
        incorrect type in argument 1 (different address spaces)
        drivers/staging/speakup/speakup_soft.c:272:40:
        expected char const [noderef] <asn:1>*s
        drivers/staging/speakup/speakup_soft.c:272:40:
        got char const *buf
drivers/staging/speakup/speakup_soft.c:306:17: warning:
        incorrect type in initializer (incompatible argument 2
        (different address spaces))
        drivers/staging/speakup/speakup_soft.c:306:17:
        expected long ( *read )( ... )
        drivers/staging/speakup/speakup_soft.c:306:17:
        got long ( static [toplevel] *<noident> )( ... )
drivers/staging/speakup/speakup_soft.c:307:18: warning:
        incorrect type in initializer (incompatible argument 2
        (different address spaces))
        drivers/staging/speakup/speakup_soft.c:307:18:
        expected long ( *write )( ... )
        drivers/staging/speakup/speakup_soft.c:307:18:
        got long ( static [toplevel] *<nfile_operationsoident> )( ... )

drivers/staging/speakup/devsynth.c:29:41: warning:
        incorrect type in argument 2 (different address spaces)
        drivers/staging/speakup/devsynth.c:29:41:
        expected void const [noderef] <asn:1>*from
        drivers/staging/speakup/devsynth.c:29:41:    got char const *ptr
drivers/staging/speakup/devsynth.c:62:17: warning:
        incorrect type in initializer (incompatible argument 2
        (different address spaces))
        drivers/staging/speakup/devsynth.c:62:17:
        expected long ( *read )( ... )
        drivers/staging/speakup/devsynth.c:62:17:
        got long ( static [toplevel] *<noident> )( ... )
drivers/staging/speakup/devsynth.c:63:18: warning:
        incorrect type in initializer (incompatible argument 2
        (different address spaces))
        drivers/staging/speakup/devsynth.c:63:18:
        expected long ( *write )( ... )
        drivers/staging/speakup/devsynth.c:63:18:
        got long ( static [toplevel] *<noident> )( ... )

Signed-off-by: Emil Goode <emilgoode@gmail.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c
index 7d327486666c71c8e83abf7038331944b393acbc..71c728acf4ca1c28892fa1beebbb5cdea2095f6a 100644 (file)
--- a/drivers/staging/speakup/devsynth.c
+++ b/drivers/staging/speakup/devsynth.c
@@ -13,11 +13,11 @@
 static int misc_registered;
 static int dev_opened;
 
-static ssize_t speakup_file_write(struct file *fp, const char *buffer,
-                  size_t nbytes, loff_t *ppos)
+static ssize_t speakup_file_write(struct file *fp, const char __user *buffer,
+                                 size_t nbytes, loff_t *ppos)
 {
        size_t count = nbytes;
-       const char *ptr = buffer;
+       const char __user *ptr = buffer;
        size_t bytes;
        unsigned long flags;
        u_char buf[256];
@@ -37,8 +37,8 @@ static ssize_t speakup_file_write(struct file *fp, const char *buffer,
        return (ssize_t) nbytes;
 }
 
-static ssize_t speakup_file_read(struct file *fp, char *buf, size_t nbytes,
-       loff_t *ppos)
+static ssize_t speakup_file_read(struct file *fp, char __user *buf,
+                                size_t nbytes, loff_t *ppos)
 {
        return 0;
 }

diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
index 83e08455cd31b6f931a2cdd27523643941e0d815..243c3d52fe5e616f75e829df544e3182cbc3ff7e 100644 (file)
--- a/drivers/staging/speakup/speakup_soft.c
+++ b/drivers/staging/speakup/speakup_soft.c
@@ -201,11 +201,11 @@ static int softsynth_close(struct inode *inode, struct file *fp)
        return 0;
 }
 
-static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
+static ssize_t softsynth_read(struct file *fp, char __user *buf, size_t count,
                              loff_t *pos)
 {
        int chars_sent = 0;
-       char *cp;
+       char __user *cp;
        char *init;
        char ch;
        int empty;
@@ -263,8 +263,8 @@ static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
 
 static int last_index;
 
-static ssize_t softsynth_write(struct file *fp, const char *buf, size_t count,
-                              loff_t *pos)
+static ssize_t softsynth_write(struct file *fp, const char __user *buf,
+                              size_t count, loff_t *pos)
 {
        unsigned long supplied_index = 0;
        int converted;