From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Sat, 25 Jul 2015 21:27:01 +0000 (+0200)
Subject: Use inode argument to obtain minor number even in extended close function.
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/commitdiff_plain/8d00c6a6fb54334dcdf5254d1341fc9ccc8bb3bb

Use inode argument to obtain minor number even in extended close function.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
---

diff --git a/lincan/src/close.c b/lincan/src/close.c
index a4dfe12..6a0ca6e 100644
--- a/lincan/src/close.c
+++ b/lincan/src/close.c
@@ -49,13 +49,14 @@ int can_close(struct inode *inode, struct file *file)
 	struct canque_ends_t *qends;
 	struct msgobj_t *obj;
 	can_spin_irqflags_t iflags;
+	int minor_nr = INODE2MINOR_NR(inode);
 
 	if(!canuser || (canuser->magic != CAN_USER_MAGIC)){
 		CANMSG("can_close: bad canuser magic\n");
 		return -ENODEV;
 	}
-	if ((chip=objects_p[MINOR_NR]->hostchip) == NULL) {
-		CANMSG("There is no hardware support for the device file with minor nr.: %d\n",MINOR_NR);
+	if ((chip=objects_p[minor_nr]->hostchip) == NULL) {
+		CANMSG("There is no hardware support for the device file with minor nr.: %d\n",minor_nr);
 		return -ENODEV;
 	}