staging: dgap: Replace double negative conditionals

This patch replaces double negativeconditionals

Signed-off-by: Mark Hounschell <markh@compro.net>
Tested-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index d7b27d6e53acf549feb9a5df597f0d999f9cf9d1..f811cbf5332e6df4ddb99eea6781a342d29809db 100644 (file)
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -6395,7 +6395,7 @@ static int dgap_parsefile(char **in, int remove)
        brd = line = conc = NULL;
 
        /* perhaps we are adding to an existing list? */
-       while (p->next != NULL)
+       while (p->next)
                p = p->next;
 
        /* file must start with a BEGIN */
@@ -7233,7 +7233,7 @@ static struct cnode *dgap_newnode(int t)
        struct cnode *n;
 
        n = kmalloc(sizeof(struct cnode), GFP_ATOMIC);
-       if (n != NULL) {
+       if (n) {
                memset((char *)n, 0, sizeof(struct cnode));
                n->type = t;
        }
@@ -7361,7 +7361,7 @@ static struct cnode *dgap_find_config(int type, int bus, int slot)
 
        p = &dgap_head;
 
-       while (p->next != NULL) {
+       while (p->next) {
                prev = p;
                p = p->next;
 
@@ -7381,7 +7381,7 @@ static struct cnode *dgap_find_config(int type, int bus, int slot)
                                 * Keep walking thru the list till we
                                 * find the next board.
                                 */
-                               while (p->next != NULL) {
+                               while (p->next) {
                                        prev2 = p;
                                        p = p->next;
                                        if (p->type == BNODE) {
@@ -7478,13 +7478,11 @@ static char *dgap_create_config_string(struct board_t *bd, char *string)
                         */
                        speed = p->u.conc.speed;
                        q = p->next;
-                       if ((q != NULL) && (q->type == MNODE)) {
+                       if (q && (q->type == MNODE)) {
                                *ptr = (p->u.conc.nport + 0x80);
                                ptr++;
                                p = q;
-                               while ((q->next != NULL) &&
-                                      (q->next->type) == MNODE) {
-
+                               while (q->next && (q->next->type) == MNODE) {
                                        *ptr = (q->u.module.nport + 0x80);
                                        ptr++;
                                        p = q;