Fix macro used to check kernel_read() argument order

The m4 macro implementing the configure check is called
LINUX_KERNEL_READ_OFFSET_IS_LAST, but it defines a preprocessor symbol
that is just KERNEL_READ_OFFSET_IS_LAST.  Our code needs to check
for the latter being defined, not the former.

Reported by Aaron Ucko.

Reviewed-on: https://gerrit.openafs.org/12808
Reviewed-by: Anders Kaseorg <andersk@mit.edu>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
(cherry picked from commit edc5463f3db4b6af2307741d9f4ee8f2c81cd98e)

Change-Id: I7bc6615118f1200d3f257e7a01652b49b458a8fa
Reviewed-on: https://gerrit.openafs.org/12809
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>

diff --git a/src/afs/LINUX/osi_compat.h b/src/afs/LINUX/osi_compat.h
index 62fce213dee15a5d1951bd16227aa8ebe5c9df68..2c93d2204ea1190edcc7ede838b87210b54960cb 100644 (file)
--- a/src/afs/LINUX/osi_compat.h
+++ b/src/afs/LINUX/osi_compat.h
@@ -659,7 +659,7 @@ afs_file_read(struct file *filp, char __user *buf, size_t len, loff_t *pos)
 #if defined(HAVE_LINUX___VFS_WRITE)
     return __vfs_read(filp, buf, len, pos);
 #elif defined(HAVE_LINUX_KERNEL_WRITE)
-# if defined(LINUX_KERNEL_READ_OFFSET_IS_LAST)
+# if defined(KERNEL_READ_OFFSET_IS_LAST)
     return kernel_read(filp, buf, len, pos);
 # else
     return kernel_read(filp, *pos, buf, len);
@@ -675,7 +675,7 @@ afs_file_write(struct file *filp, char __user *buf, size_t len, loff_t *pos)
 #if defined(HAVE_LINUX___VFS_WRITE)
     return __vfs_write(filp, buf, len, pos);
 #elif defined(HAVE_LINUX_KERNEL_WRITE)
-# if defined(LINUX_KERNEL_READ_OFFSET_IS_LAST)
+# if defined(KERNEL_READ_OFFSET_IS_LAST)
     return kernel_write(filp, buf, len, pos);
 # else
     return kernel_write(filp, buf, len, *pos);