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[PATCH] coverity: fs/locks.c flp null check
We're dereferencing `flp' and then we're testing it for NULLness. Either the compiler accidentally saved us or the existing null-pointer checdk is redundant. This defect was found automatically by Coverity Prevent, a static analysis tool. Signed-off-by: Zaur Kambarov <zkambarov@coverity.com> Cc: Matthew Wilcox <willy@debian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1276,7 +1276,7 @@ int fcntl_getlease(struct file *filp)
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*/
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static int __setlease(struct file *filp, long arg, struct file_lock **flp)
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{
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struct file_lock *fl, **before, **my_before = NULL, *lease = *flp;
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struct file_lock *fl, **before, **my_before = NULL, *lease;
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struct dentry *dentry = filp->f_dentry;
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struct inode *inode = dentry->d_inode;
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int error, rdlease_count = 0, wrlease_count = 0;
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@ -1287,6 +1287,8 @@ static int __setlease(struct file *filp, long arg, struct file_lock **flp)
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if (!flp || !(*flp) || !(*flp)->fl_lmops || !(*flp)->fl_lmops->fl_break)
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goto out;
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lease = *flp;
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error = -EAGAIN;
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if ((arg == F_RDLCK) && (atomic_read(&inode->i_writecount) > 0))
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goto out;
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