[PULL,01/15] linux-user: remove useless variable

Commit Message

Laurent Vivier Sept. 10, 2019, 4:35 p.m. UTC

filename is only used to open the file if AT_EXECFD is not provided.
But exec_path already contains the path of the file to open.
Remove filename as it is only used in main.c whereas exec_path is
also used in syscall.c.

Fixes: d088d664f201 ("linux-user: identify running binary in /proc/self/exe")
Signed-off-by: Laurent Vivier <[e-mail]>
Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Stefano Garzarella <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Laurent Vivier <[e-mail]>
---
 linux-user/main.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

Patch

diff --git a/linux-user/main.c b/linux-user/main.c
index 47917bbb20fc..28f0065b6ddf 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -49,7 +49,6 @@ 
 char *exec_path;
 
 int singlestep;
-static const char *filename;
 static const char *argv0;
 static int gdbstub_port;
 static envlist_t *envlist;
@@ -586,7 +585,6 @@  static int parse_args(int argc, char **argv)
         exit(EXIT_FAILURE);
     }
 
-    filename = argv[optind];
     exec_path = argv[optind];
 
     return optind;
@@ -657,9 +655,9 @@  int main(int argc, char **argv, char **envp)
 
     execfd = qemu_getauxval(AT_EXECFD);
     if (execfd == 0) {
-        execfd = open(filename, O_RDONLY);
+        execfd = open(exec_path, O_RDONLY);
         if (execfd < 0) {
-            printf("Error while loading %s: %s\n", filename, strerror(errno));
+            printf("Error while loading %s: %s\n", exec_path, strerror(errno));
             _exit(EXIT_FAILURE);
         }
     }
@@ -784,10 +782,10 @@  int main(int argc, char **argv, char **envp)
     cpu->opaque = ts;
     task_settid(ts);
 
-    ret = loader_exec(execfd, filename, target_argv, target_environ, regs,
+    ret = loader_exec(execfd, exec_path, target_argv, target_environ, regs,
         info, &bprm);
     if (ret != 0) {
-        printf("Error while loading %s: %s\n", filename, strerror(-ret));
+        printf("Error while loading %s: %s\n", exec_path, strerror(-ret));
         _exit(EXIT_FAILURE);
     }