Update resource_image.bpf.c

linuxkerneltravel · Nov 30, 2023 · 9d8b9fb · 9d8b9fb
1 parent 2bf9341
commit 9d8b9fb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/eBPF_Supermarket/CPU_Subsystem/eBPF_proc_image/developing/bpf/resource_image.bpf.c b/eBPF_Supermarket/CPU_Subsystem/eBPF_proc_image/developing/bpf/resource_image.bpf.c
@@ -74,8 +74,8 @@ int kprobe__finish_task_switch(struct pt_regs *ctx)
 				struct mm_rss_stat rss = {};
 				long long *c;
 				rss = BPF_CORE_READ(prev, mm, rss_stat);
-				if(!rss)	return 0;
 				c = (long long *)(rss.count);
+				if(!c)	return 0;
 				memused = *c + *(c + 1) + *(c + 3);
 #endif
 
@@ -101,8 +101,8 @@ int kprobe__finish_task_switch(struct pt_regs *ctx)
 				struct mm_rss_stat rss = {};
 				long long *c;
 				rss = BPF_CORE_READ(prev, mm, rss_stat);
-				if(!rss)	return 0;
 				c = (long long *)(rss.count);
+				if(!c)	return 0;
 				memused = *c + *(c + 1) + *(c + 3);
 #endif