A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 11:11:45 -04:00
Code Issues Projects Releases Packages Wiki Activity

mtd: mtdchar: return expected errors on mmap() call

Browse source 
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 <[email protected]>
Cc: David Woodhouse <[email protected]>
Signed-off-by: Brian Norris <[email protected]>
This commit is contained in:
Vladimir Zapolskiy 2013-10-28 18:08:15 +02:00 • committed by Brian Norris
commit b999593237
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/mtd/mtdchar.c
View file

@ -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
}