[PATCH 1/3] orangefs: Delete error messages for a failed memory allocation in five functions

From: SF Markus Elfring
Date: Thu Aug 17 2017 - 16:13:30 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Aug 2017 21:00:07 +0200

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
fs/orangefs/devorangefs-req.c | 9 +++------
fs/orangefs/orangefs-bufmap.c | 10 ++--------
fs/orangefs/orangefs-debugfs.c | 1 -
fs/orangefs/orangefs-mod.c | 1 -
fs/orangefs/super.c | 4 +---
5 files changed, 6 insertions(+), 19 deletions(-)

diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c
index c19f0787c9c6..2826859bdc2c 100644
--- a/fs/orangefs/devorangefs-req.c
+++ b/fs/orangefs/devorangefs-req.c
@@ -461,13 +461,10 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb,
if (op->downcall.type != ORANGEFS_VFS_OP_READDIR)
goto wakeup;

- op->downcall.trailer_buf =
- vmalloc(op->downcall.trailer_size);
- if (op->downcall.trailer_buf == NULL) {
- gossip_err("%s: failed trailer vmalloc.\n",
- __func__);
+ op->downcall.trailer_buf = vmalloc(op->downcall.trailer_size);
+ if (!op->downcall.trailer_buf)
goto Enomem;
- }
+
memset(op->downcall.trailer_buf, 0, op->downcall.trailer_size);
if (!copy_from_iter_full(op->downcall.trailer_buf,
op->downcall.trailer_size, iter)) {
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 038d67545d9f..7ef473f3d642 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -244,20 +244,14 @@ orangefs_bufmap_alloc(struct ORANGEFS_dev_map_desc *user_desc)

bufmap->buffer_index_array =
kzalloc(DIV_ROUND_UP(bufmap->desc_count, BITS_PER_LONG), GFP_KERNEL);
- if (!bufmap->buffer_index_array) {
- gossip_err("orangefs: could not allocate %d buffer indices\n",
- bufmap->desc_count);
+ if (!bufmap->buffer_index_array)
goto out_free_bufmap;
- }

bufmap->desc_array =
kcalloc(bufmap->desc_count, sizeof(struct orangefs_bufmap_desc),
GFP_KERNEL);
- if (!bufmap->desc_array) {
- gossip_err("orangefs: could not allocate %d descriptors\n",
- bufmap->desc_count);
+ if (!bufmap->desc_array)
goto out_free_index_array;
- }

bufmap->page_count = bufmap->total_size / PAGE_SIZE;

diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index 716ed337f166..93fe8f8e60f1 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -577,5 +577,4 @@ static int orangefs_prepare_cdm_array(char *debug_array_string)
if (!cdm_array) {
- pr_info("malloc failed for cdm_array!\n");
rc = -ENOMEM;
goto out;
}
diff --git a/fs/orangefs/orangefs-mod.c b/fs/orangefs/orangefs-mod.c
index c1b5174cb5a9..85ef87245a87 100644
--- a/fs/orangefs/orangefs-mod.c
+++ b/fs/orangefs/orangefs-mod.c
@@ -100,5 +100,4 @@ static int __init orangefs_init(void)
if (!orangefs_htable_ops_in_progress) {
- gossip_err("Failed to initialize op hashtable");
ret = -ENOMEM;
goto cleanup_inode;
}
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index 5a1bed6c8c6a..47f3fb9cbec4 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -107,10 +107,8 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb)
struct orangefs_inode_s *orangefs_inode;

orangefs_inode = kmem_cache_alloc(orangefs_inode_cache, GFP_KERNEL);
- if (orangefs_inode == NULL) {
- gossip_err("Failed to allocate orangefs_inode\n");
+ if (!orangefs_inode)
return NULL;
- }

/*
* We want to clear everything except for rw_semaphore and the
--
2.14.0