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staging/lustre/llite: check alloc in ll_file_data_get, ll_dir_ioctl

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In ll_file_data_get() and ll_dir_ioctl() return error on failed
allocations.

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2753
Lustre-change: http://review.whamcloud.com/5845
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Sebastien Buisson <sebastien.buisson@bull.net>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond 2013-07-23 00:06:27 +08:00 committed by Greg Kroah-Hartman
parent f8c47be4e8
commit 73863d83b8
2 changed files with 4 additions and 0 deletions
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2
drivers/staging/lustre/lustre/llite/dir.c
View File

@ -1561,6 +1561,8 @@ out_rmdir:
RETURN(rc);
OBD_ALLOC_LARGE(lmm, lmmsize);
if (lmm == NULL)
RETURN(-ENOMEM);
if (copy_from_user(lmm, lum, lmmsize))
GOTO(free_lmm, rc = -EFAULT);

2
drivers/staging/lustre/lustre/llite/file.c
View File

@ -55,6 +55,8 @@ struct ll_file_data *ll_file_data_get(void)
struct ll_file_data *fd;
OBD_SLAB_ALLOC_PTR_GFP(fd, ll_file_data_slab, __GFP_IO);
if (fd == NULL)
return NULL;
fd->fd_write_failed = false;
return fd;
}