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| author | Julia Lawall <julia@diku.dk> | 2010-08-11 12:11:41 +0200 |
|---|---|---|
| committer | Tyler Hicks <tyhicks@linux.vnet.ibm.com> | 2010-08-27 10:50:52 -0500 |
| commit | f137f15072411618e37b338aa13e5ae43583bcf2 (patch) | |
| tree | a1679017c58f65b7fd20febab16bb338354bd59b | |
| parent | 76be97c1fc945db08aae1f1b746012662d643e97 (diff) | |
| download | linux-stable-f137f15072411618e37b338aa13e5ae43583bcf2.tar.gz linux-stable-f137f15072411618e37b338aa13e5ae43583bcf2.tar.bz2 linux-stable-f137f15072411618e37b338aa13e5ae43583bcf2.zip | |
fs/ecryptfs: Return -ENOMEM on memory allocation failure
In this code, 0 is returned on memory allocation failure, even though other
failures return -ENOMEM or other similar values.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression ret;
expression x,e1,e2,e3;
@@
ret = 0
... when != ret = e1
*x = \(kmalloc\|kcalloc\|kzalloc\)(...)
... when != ret = e2
if (x == NULL) { ... when != ret = e3
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
| -rw-r--r-- | fs/ecryptfs/keystore.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index 89c5476506ef..73811cfa2ea4 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -515,6 +515,7 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); + rc = -ENOMEM; goto out; } s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; @@ -806,6 +807,7 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); + rc = -ENOMEM; goto out; } s->desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP; |