forked from luck/tmp_suning_uos_patched
mm: do_mmap_pgoff: cleanup the usage of file_inode()
Simple cleanup. Move "struct inode *inode" variable into "if (file)" block to simplify the code and avoid the unnecessary check. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Colin Cross <ccross@android.com> Cc: David Rientjes <rientjes@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1202,7 +1202,6 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
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unsigned long *populate)
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{
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struct mm_struct * mm = current->mm;
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struct inode *inode;
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vm_flags_t vm_flags;
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*populate = 0;
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@ -1265,9 +1264,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
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return -EAGAIN;
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}
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inode = file ? file_inode(file) : NULL;
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if (file) {
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struct inode *inode = file_inode(file);
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switch (flags & MAP_TYPE) {
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case MAP_SHARED:
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if ((prot&PROT_WRITE) && !(file->f_mode&FMODE_WRITE))
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