staging: dgap: Remove casting the return value which is a void pointer

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgap/dgap_parse.c b/drivers/staging/dgap/dgap_parse.c
index 5497e6d..3bb79c5 100644 (file)
--- a/drivers/staging/dgap/dgap_parse.c
+++ b/drivers/staging/dgap/dgap_parse.c
@@ -1013,8 +1013,10 @@ static void dgap_err(char *s)
 static struct cnode *dgap_newnode(int t)
 {
        struct cnode *n;
-       if ( (n = (struct cnode *) kmalloc(sizeof(struct cnode ), GFP_ATOMIC) ) != NULL) {
-               memset( (char *)n, 0, sizeof(struct cnode ) );
+
+       n = kmalloc(sizeof(struct cnode), GFP_ATOMIC);
+       if (n != NULL) {
+               memset((char *)n, 0, sizeof(struct cnode));
                n->type = t;
        }
        return(n);

diff --git a/drivers/staging/dgap/dgap_sysfs.c b/drivers/staging/dgap/dgap_sysfs.c
index 94da06f..7f4ec9a 100644 (file)
--- a/drivers/staging/dgap/dgap_sysfs.c
+++ b/drivers/staging/dgap/dgap_sysfs.c
@@ -395,7 +395,7 @@ static ssize_t dgap_tty_state_show(struct device *d, struct device_attribute *at
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -420,7 +420,7 @@ static ssize_t dgap_tty_baud_show(struct device *d, struct device_attribute *att
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -445,7 +445,7 @@ static ssize_t dgap_tty_msignals_show(struct device *d, struct device_attribute
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -479,7 +479,7 @@ static ssize_t dgap_tty_iflag_show(struct device *d, struct device_attribute *at
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -504,7 +504,7 @@ static ssize_t dgap_tty_cflag_show(struct device *d, struct device_attribute *at
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -529,7 +529,7 @@ static ssize_t dgap_tty_oflag_show(struct device *d, struct device_attribute *at
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -554,7 +554,7 @@ static ssize_t dgap_tty_lflag_show(struct device *d, struct device_attribute *at
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -579,7 +579,7 @@ static ssize_t dgap_tty_digi_flag_show(struct device *d, struct device_attribute
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -604,7 +604,7 @@ static ssize_t dgap_tty_rxcount_show(struct device *d, struct device_attribute *
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -629,7 +629,7 @@ static ssize_t dgap_tty_txcount_show(struct device *d, struct device_attribute *
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;
@@ -661,7 +661,7 @@ static ssize_t dgap_tty_name_show(struct device *d, struct device_attribute *att
 
        if (!d)
                return (0);
-       un = (struct un_t *) dev_get_drvdata(d);
+       un = dev_get_drvdata(d);
        if (!un || un->magic != DGAP_UNIT_MAGIC)
                return (0);
        ch = un->un_ch;