small fix in shm_map_page()

mikaku · mikaku · commit 082b3160c875 · 2022-10-28T10:19:06.000+02:00
diff --git a/kernel/syscalls/shmat.c b/kernel/syscalls/shmat.c
@@ -46,10 +46,10 @@ int shm_map_page(struct vma *vma, unsigned int cr2)
 			printk("%s(): Oops, map_page() returned 0!\n", __FUNCTION__);
 			return 1;
 		}
+		pg = &page_table[V2P(addr) >> PAGE_SHIFT];
+		pg->count++;
 	}
 
-	pg = &page_table[V2P(addr) >> PAGE_SHIFT];
-	pg->count++;	/* FIXME: temporary until fix count++ in map_page() (check 'todo') */
 	return 0;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -46,10 +46,10 @@ int shm_map_page(struct vma *vma, unsigned int cr2)`
`46`	`46`	`printk("%s(): Oops, map_page() returned 0!\n", __FUNCTION__);`
`47`	`47`	`return 1;`
`48`	`48`	`}`
	`49`	`+ pg = &page_table[V2P(addr) >> PAGE_SHIFT];`
	`50`	`+ pg->count++;`
`49`	`51`	`}`
`50`	`52`
`51`		`- pg = &page_table[V2P(addr) >> PAGE_SHIFT];`
`52`		`- pg->count++; /* FIXME: temporary until fix count++ in map_page() (check 'todo') */`
`53`	`53`	`return 0;`
`54`	`54`	`}`
`55`	`55`