removed possibility of deferencing nullptr arg_value in src/acl_kernel

haoxian2 · haoxian2 · commit 491d9485cab1 · 2022-11-16T13:24:53.000-08:00
diff --git a/src/acl_kernel.cpp b/src/acl_kernel.cpp
@@ -419,7 +419,7 @@ CL_API_ENTRY cl_int CL_API_CALL clSetKernelArgIntelFPGA(cl_kernel kernel,
         ERR_RET(CL_INVALID_ARG_SIZE, context,
                 "Argument size is the wrong size");
       }
-    } else if (arg_size == sizeof(cl_mem) &&
+    } else if (arg_size == sizeof(cl_mem) && arg_value!=NULL &&
                acl_pipe_is_valid_pointer(*((cl_mem *)arg_value), kernel)) {
       is_pipe = CL_TRUE;
     } else if (arg_size != arg_info->size) {

Original file line number	Diff line number	Diff line change
`@@ -419,7 +419,7 @@ CL_API_ENTRY cl_int CL_API_CALL clSetKernelArgIntelFPGA(cl_kernel kernel,`
`419`	`419`	`ERR_RET(CL_INVALID_ARG_SIZE, context,`
`420`	`420`	`"Argument size is the wrong size");`
`421`	`421`	`}`
`422`		`- } else if (arg_size == sizeof(cl_mem) &&`
	`422`	`+ } else if (arg_size == sizeof(cl_mem) && arg_value!=NULL &&`
`423`	`423`	`acl_pipe_is_valid_pointer(((cl_mem )arg_value), kernel)) {`
`424`	`424`	`is_pipe = CL_TRUE;`
`425`	`425`	`} else if (arg_size != arg_info->size) {`