Huawei Xie 2cdc118eef vhost: check hugepage fstat error
Value returned from fstat is not checked for errors before being used.
This patch fixes following coverity issue.

    static uint64_t
    get_blk_size(int fd)
    {
    	struct stat stat;

    	fstat(fd, &stat);
    	return (uint64_t)stat.st_blksize;
    >>>  CID 107103 (#1 of 1): Unchecked return value from library
         (CHECKED_RETURN)
    >>>  check_return: Calling fstat(fd, &stat) without checking
         return value.
    >>>  This library function may fail and return an error code.

Fixes: 8f972312b8f4 ("vhost: support vhost-user")

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
2016-06-22 09:47:12 +02:00
2016-06-22 09:47:12 +02:00
2016-06-22 09:47:12 +02:00

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD license for the core libraries and
drivers. The kernel components are GPLv2 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org
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