lkml.org 
[lkml]   [2014]   [Sep]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/7] staging: lustre: libcfs: expand the GOTO macro
Date
From: Julia Lawall <Julia.Lawall@lip6.fr>

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier lbl;
identifier rc;
constant c;
@@

- GOTO(lbl,\(rc\|c\));
+ goto lbl;

@@
identifier lbl;
expression rc;
@@

- GOTO(lbl,rc);
+ rc;
+ goto lbl;
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
drivers/staging/lustre/lustre/libcfs/module.c | 3 ++-
drivers/staging/lustre/lustre/libcfs/upcall_cache.c | 20 +++++++++++++-------
2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c
index 8267aa9..2c4fc74 100644
--- a/drivers/staging/lustre/lustre/libcfs/module.c
+++ b/drivers/staging/lustre/lustre/libcfs/module.c
@@ -301,7 +301,8 @@ static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, void *a
/* 'cmd' and permissions get checked in our arch-specific caller */
if (libcfs_ioctl_getdata(buf, buf + 800, (void *)arg)) {
CERROR("PORTALS ioctl: data error\n");
- GOTO(out, err = -EINVAL);
+ err = -EINVAL;
+ goto out;
}
data = (struct libcfs_ioctl_data *)buf;

diff --git a/drivers/staging/lustre/lustre/libcfs/upcall_cache.c b/drivers/staging/lustre/lustre/libcfs/upcall_cache.c
index 0e95588..f5e08caa 100644
--- a/drivers/staging/lustre/lustre/libcfs/upcall_cache.c
+++ b/drivers/staging/lustre/lustre/libcfs/upcall_cache.c
@@ -205,7 +205,8 @@ find_again:
wake_up_all(&entry->ue_waitq);
if (unlikely(rc == -EREMCHG)) {
put_entry(cache, entry);
- GOTO(out, entry = ERR_PTR(rc));
+ entry = ERR_PTR(rc);
+ goto out;
}
}
}
@@ -232,14 +233,16 @@ find_again:
CERROR("acquire for key %llu: error %d\n",
entry->ue_key, rc);
put_entry(cache, entry);
- GOTO(out, entry = ERR_PTR(rc));
+ entry = ERR_PTR(rc);
+ goto out;
}
}

/* invalid means error, don't need to try again */
if (UC_CACHE_IS_INVALID(entry)) {
put_entry(cache, entry);
- GOTO(out, entry = ERR_PTR(-EIDRM));
+ entry = ERR_PTR(-EIDRM);
+ goto out;
}

/* check expired
@@ -312,19 +315,22 @@ int upcall_cache_downcall(struct upcall_cache *cache, __u32 err, __u64 key,
if (err) {
CDEBUG(D_OTHER, "%s: upcall for key %llu returned %d\n",
cache->uc_name, entry->ue_key, err);
- GOTO(out, rc = -EINVAL);
+ rc = -EINVAL;
+ goto out;
}

if (!UC_CACHE_IS_ACQUIRING(entry)) {
CDEBUG(D_RPCTRACE, "%s: found uptodate entry %p (key %llu)\n",
cache->uc_name, entry, entry->ue_key);
- GOTO(out, rc = 0);
+ rc = 0;
+ goto out;
}

if (UC_CACHE_IS_INVALID(entry) || UC_CACHE_IS_EXPIRED(entry)) {
CERROR("%s: found a stale entry %p (key %llu) in ioctl\n",
cache->uc_name, entry, entry->ue_key);
- GOTO(out, rc = -EINVAL);
+ rc = -EINVAL;
+ goto out;
}

spin_unlock(&cache->uc_lock);
@@ -332,7 +338,7 @@ int upcall_cache_downcall(struct upcall_cache *cache, __u32 err, __u64 key,
rc = cache->uc_ops->parse_downcall(cache, entry, args);
spin_lock(&cache->uc_lock);
if (rc)
- GOTO(out, rc);
+ goto out;

entry->ue_expire = cfs_time_shift(cache->uc_entry_expire);
UC_CACHE_SET_VALID(entry);

\
 
 \ /
  Last update: 2014-09-07 18:41    [W:1.978 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site