[CRIU] [PATCH] proc_parse: parse_smaps -- Use @file_path instead of strstr helper

[Cyrill Gorcunov]

strstr is a really heavy one, lets use already defined
and filled @file_path variable instead.

Reported-by: Pavel Emelyanov <xemul at parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 proc_parse.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/proc_parse.c b/proc_parse.c
index 98fef4add2e2..09a368fdacf4 100644
--- a/proc_parse.c
+++ b/proc_parse.c
@@ -420,9 +420,10 @@ int parse_smaps(pid_t pid, struct vm_area_list *vma_area_list, bool use_map_file
 
 		if (vma_area->e->status != 0) {
 			continue;
-		} else if (strstr(str, "[vsyscall]") || strstr(str, "[vectors]")) {
+		} else if (!strcmp(file_path, "[vsyscall]") ||
+			   !strcmp(file_path, "[vectors]")) {
 			vma_area->e->status |= VMA_AREA_VSYSCALL;
-		} else if (strstr(str, "[vdso]")) {
+		} else if (!strcmp(file_path, "[vdso]")) {
 #ifdef CONFIG_VDSO
 			vma_area->e->status |= VMA_AREA_REGULAR;
 			if ((vma_area->e->prot & VDSO_PROT) == VDSO_PROT)
@@ -431,7 +432,7 @@ int parse_smaps(pid_t pid, struct vm_area_list *vma_area_list, bool use_map_file
 			pr_warn_once("Found vDSO area without support\n");
 			goto err;
 #endif
-		} else if (strstr(str, "[vvar]")) {
+		} else if (!strcmp(file_path, "[vvar]")) {
 #ifdef CONFIG_VDSO
 			vma_area->e->status |= VMA_AREA_REGULAR;
 			if ((vma_area->e->prot & VVAR_PROT) == VVAR_PROT)
@@ -440,7 +441,7 @@ int parse_smaps(pid_t pid, struct vm_area_list *vma_area_list, bool use_map_file
 			pr_warn_once("Found VVAR area without support\n");
 			goto err;
 #endif
-		} else if (strstr(str, "[heap]")) {
+		} else if (!strcmp(file_path, "[heap]")) {
 			vma_area->e->status |= VMA_AREA_REGULAR | VMA_AREA_HEAP;
 		} else {
 			vma_area->e->status = VMA_AREA_REGULAR;
-- 
1.9.3