mirror of https://gitee.com/openkylin/linux.git
[PATCH] m68k: ataflop __user annotations, NULL noise removal
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1361,7 +1361,7 @@ static int floppy_revalidate(struct gendisk *disk)
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formats, for 'permanent user-defined' parameter:
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restore default_params[] here if flagged valid! */
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if (default_params[drive].blocks == 0)
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UDT = 0;
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UDT = NULL;
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else
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UDT = &default_params[drive];
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}
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@ -1495,6 +1495,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
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struct floppy_struct getprm;
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int settype;
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struct floppy_struct setprm;
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void __user *argp = (void __user *)param;
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switch (cmd) {
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case FDGETPRM:
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@ -1521,7 +1522,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
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getprm.head = 2;
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getprm.track = dtp->blocks/dtp->spt/2;
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getprm.stretch = dtp->stretch;
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if (copy_to_user((void *)param, &getprm, sizeof(getprm)))
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if (copy_to_user(argp, &getprm, sizeof(getprm)))
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return -EFAULT;
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return 0;
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}
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@ -1540,7 +1541,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
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/* get the parameters from user space */
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if (floppy->ref != 1 && floppy->ref != -1)
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return -EBUSY;
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if (copy_from_user(&setprm, (void *) param, sizeof(setprm)))
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if (copy_from_user(&setprm, argp, sizeof(setprm)))
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return -EFAULT;
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/*
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* first of all: check for floppy change and revalidate,
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@ -1647,7 +1648,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
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case FDFMTTRK:
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if (floppy->ref != 1 && floppy->ref != -1)
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return -EBUSY;
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if (copy_from_user(&fmt_desc, (void *) param, sizeof(fmt_desc)))
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if (copy_from_user(&fmt_desc, argp, sizeof(fmt_desc)))
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return -EFAULT;
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return do_format(drive, type, &fmt_desc);
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case FDCLRPRM:
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