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| author | Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> | 2013-10-28 18:08:15 +0200 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2013-11-11 11:18:15 -0800 |
| commit | b99959323732ed0c81da2488252f64c02ad37fbe (patch) | |
| tree | 87052576102b76978079a176af3c582bff072b3d | |
| parent | 80bd33acdaa21fafa8ff4391ccdf879d227111bb (diff) | |
| download | op-kernel-dev-b99959323732ed0c81da2488252f64c02ad37fbe.zip op-kernel-dev-b99959323732ed0c81da2488252f64c02ad37fbe.tar.gz | |
mtd: mtdchar: return expected errors on mmap() call
According both to POSIX.1-2008 and Linux Programmer's Manual mmap()
syscall shouldn't return undocumented ENOSYS, this change replaces
the errno with more appropriate ENODEV and EACCESS.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Cc: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| -rw-r--r-- | drivers/mtd/mtdchar.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 9aa0c5e..2147e73 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -1100,7 +1100,7 @@ static unsigned long mtdchar_get_unmapped_area(struct file *file, return (unsigned long) -EINVAL; ret = mtd_get_unmapped_area(mtd, len, offset, flags); - return ret == -EOPNOTSUPP ? -ENOSYS : ret; + return ret == -EOPNOTSUPP ? -ENODEV : ret; } #endif @@ -1125,9 +1125,9 @@ static int mtdchar_mmap(struct file *file, struct vm_area_struct *vma) #endif return vm_iomap_memory(vma, map->phys, map->size); } - return -ENOSYS; + return -ENODEV; #else - return vma->vm_flags & VM_SHARED ? 0 : -ENOSYS; + return vma->vm_flags & VM_SHARED ? 0 : -EACCES; #endif } |
