Both POSIX.1-2008 and Linux Programmer's Manual have a dedicated return
error code for a case, when a file doesn't support mmap(), it's ENODEV.
This change replaces overloaded EINVAL with ENODEV in a situation
described above for sysfs binary files.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapols...@mentor.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/sysfs/file.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 0d7368d4..382db3c 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -477,7 +477,6 @@ static int sysfs_bin_mmap(struct file *file, struct
vm_area_struct *vma)
if (!sysfs_get_active(of->sd))
goto out_unlock;
- rc = -EINVAL;
if (!battr->mmap)
goto out_put;
--
1.7.10.4
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