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proc: fix sparse warnings in pagemap_read()
fs/proc/task_mmu.c:696:12: warning: cast removes address space of expression fs/proc/task_mmu.c:696:9: warning: incorrect type in assignment (different address spaces) fs/proc/task_mmu.c:696:9: expected unsigned long long [noderef] [usertype] <asn:1>*out fs/proc/task_mmu.c:696:9: got unsigned long long [usertype] *<noident> fs/proc/task_mmu.c:697:12: warning: cast removes address space of expression fs/proc/task_mmu.c:697:9: warning: incorrect type in assignment (different address spaces) fs/proc/task_mmu.c:697:9: expected unsigned long long [noderef] [usertype] <asn:1>*end fs/proc/task_mmu.c:697:9: got unsigned long long [usertype] *<noident> fs/proc/task_mmu.c:723:12: warning: cast removes address space of expression fs/proc/task_mmu.c:723:26: error: subtraction of different types can't work (different address spaces) fs/proc/task_mmu.c:725:24: error: subtraction of different types can't work (different address spaces) Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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commit
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1 changed files with 4 additions and 4 deletions
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@ -693,8 +693,8 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
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goto out_pages;
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}
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pm.out = (u64 *)buf;
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pm.end = (u64 *)(buf + count);
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pm.out = (u64 __user *)buf;
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pm.end = (u64 __user *)(buf + count);
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pagemap_walk.pmd_entry = pagemap_pte_range;
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pagemap_walk.pte_hole = pagemap_pte_hole;
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@ -720,9 +720,9 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
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if (ret == PM_END_OF_BUFFER)
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ret = 0;
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/* don't need mmap_sem for these, but this looks cleaner */
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*ppos += (char *)pm.out - buf;
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*ppos += (char __user *)pm.out - buf;
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if (!ret)
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ret = (char *)pm.out - buf;
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ret = (char __user *)pm.out - buf;
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out_pages:
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for (; pagecount; pagecount--) {
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