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sys/compat/linuxkpi/common/include/linux/err.h
Show All 22 Lines | |||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||||
* | * | ||||
* $FreeBSD$ | * $FreeBSD$ | ||||
*/ | */ | ||||
#ifndef _LINUX_ERR_H_ | #ifndef _LINUXKPI_LINUX_ERR_H_ | ||||
#define _LINUX_ERR_H_ | #define _LINUXKPI_LINUX_ERR_H_ | ||||
#include <sys/types.h> | #include <sys/types.h> | ||||
#include <linux/compiler.h> | #include <linux/compiler.h> | ||||
#define MAX_ERRNO 4095 | #define MAX_ERRNO 4095 | ||||
#define IS_ERR_VALUE(x) unlikely((x) >= (uintptr_t)-MAX_ERRNO) | #define IS_ERR_VALUE(x) unlikely((x) >= (uintptr_t)-MAX_ERRNO) | ||||
Show All 34 Lines | PTR_ERR_OR_ZERO(const void *ptr) | ||||
if (IS_ERR(ptr)) | if (IS_ERR(ptr)) | ||||
return PTR_ERR(ptr); | return PTR_ERR(ptr); | ||||
else | else | ||||
return 0; | return 0; | ||||
} | } | ||||
#define PTR_RET(p) PTR_ERR_OR_ZERO(p) | #define PTR_RET(p) PTR_ERR_OR_ZERO(p) | ||||
#endif /* _LINUX_ERR_H_ */ | #endif /* _LINUXKPI_LINUX_ERR_H_ */ |