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blobfs: add the check for buf allocation

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If it fails to allocate the buf, we should conduct
the error handling.

Change-Id: If36b2dd84236052c777f5007ecbf7295e1c1d3eb
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/420334
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Ziye Yang 2018-07-25 13:24:14 +08:00 committed by Jim Harris
parent f6c5e40aed
commit e152aa8e51
1 changed files with 7 additions and 0 deletions
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7
lib/blobfs/blobfs.c
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@ -1608,6 +1608,13 @@ __readwrite(struct spdk_file *file, struct spdk_io_channel *_channel,
__get_page_parameters(file, offset, length, &start_page, &page_size, &num_pages);
pin_buf_length = num_pages * page_size;
args->op.rw.pin_buf = spdk_dma_malloc(pin_buf_length, 4096, NULL);
if (args->op.rw.pin_buf == NULL) {
SPDK_DEBUGLOG(SPDK_LOG_BLOBFS, "Failed to allocate buf for: file=%s offset=%jx length=%jx\n",
file->name, offset, length);
free_fs_request(req);
cb_fn(cb_arg, -ENOMEM);
return;
}
args->op.rw.start_page = start_page;
args->op.rw.num_pages = num_pages;