Re: [lxc-devel] [PATCH 1/2] Simplify function

2015-10-27 Thread Serge Hallyn
Quoting Christian Brauner (christianvanbrau...@gmail.com):
> Instead of duplicating the cleanup-code, once for success and once for 
> failure,
> simply keep a variable fret which is -1 in the beginning and gets set to 0 on
> success or stays -1 on failure.
> 
> Signed-off-by: Christian Brauner 

Acked-by: Serge E. Hallyn 

> ---
>  src/lxc/conf.c | 14 ++
>  1 file changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/src/lxc/conf.c b/src/lxc/conf.c
> index 932d1a3..142444e 100644
> --- a/src/lxc/conf.c
> +++ b/src/lxc/conf.c
> @@ -1860,6 +1860,7 @@ static int mount_entry_create_overlay_dirs(const struct 
> mntent *mntent,
>   char *upperdir = NULL;
>   char *workdir = NULL;
>   char **opts = NULL;
> + int fret = -1;
>   int ret = 0;
>   size_t arrlen = 0;
>   size_t dirlen = 0;
> @@ -1907,14 +1908,12 @@ static int mount_entry_create_overlay_dirs(const 
> struct mntent *mntent,
>   WARN("Failed to create workdir");
>   }
>  
> - free(rootfsdir);
> - lxc_free_array((void **)opts, free);
> - return 0;
> + fret = 0;
>  
>  err:
>   free(rootfsdir);
>   lxc_free_array((void **)opts, free);
> - return -1;
> + return fret;
>  }
>  
>  static int mount_entry_create_aufs_dirs(const struct mntent *mntent,
> @@ -1928,6 +1927,7 @@ static int mount_entry_create_aufs_dirs(const struct 
> mntent *mntent,
>   char *tmp = NULL;
>   char *upperdir = NULL;
>   char **opts = NULL;
> + int fret = -1;
>   int ret = 0;
>   size_t arrlen = 0;
>   size_t i;
> @@ -1969,14 +1969,12 @@ static int mount_entry_create_aufs_dirs(const struct 
> mntent *mntent,
>   WARN("Failed to create upperdir");
>   }
>  
> - free(rootfsdir);
> - lxc_free_array((void **)opts, free);
> - return 0;
> + fret = 0;
>  
>  err:
>   free(rootfsdir);
>   lxc_free_array((void **)opts, free);
> - return -1;
> + return fret;
>  }
>  
>  
> -- 
> 2.6.2
> 
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[lxc-devel] [PATCH 1/2] Simplify function

2015-10-25 Thread Christian Brauner
Instead of duplicating the cleanup-code, once for success and once for failure,
simply keep a variable fret which is -1 in the beginning and gets set to 0 on
success or stays -1 on failure.

Signed-off-by: Christian Brauner 
---
 src/lxc/conf.c | 14 ++
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index 932d1a3..142444e 100644
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -1860,6 +1860,7 @@ static int mount_entry_create_overlay_dirs(const struct 
mntent *mntent,
char *upperdir = NULL;
char *workdir = NULL;
char **opts = NULL;
+   int fret = -1;
int ret = 0;
size_t arrlen = 0;
size_t dirlen = 0;
@@ -1907,14 +1908,12 @@ static int mount_entry_create_overlay_dirs(const struct 
mntent *mntent,
WARN("Failed to create workdir");
}
 
-   free(rootfsdir);
-   lxc_free_array((void **)opts, free);
-   return 0;
+   fret = 0;
 
 err:
free(rootfsdir);
lxc_free_array((void **)opts, free);
-   return -1;
+   return fret;
 }
 
 static int mount_entry_create_aufs_dirs(const struct mntent *mntent,
@@ -1928,6 +1927,7 @@ static int mount_entry_create_aufs_dirs(const struct 
mntent *mntent,
char *tmp = NULL;
char *upperdir = NULL;
char **opts = NULL;
+   int fret = -1;
int ret = 0;
size_t arrlen = 0;
size_t i;
@@ -1969,14 +1969,12 @@ static int mount_entry_create_aufs_dirs(const struct 
mntent *mntent,
WARN("Failed to create upperdir");
}
 
-   free(rootfsdir);
-   lxc_free_array((void **)opts, free);
-   return 0;
+   fret = 0;
 
 err:
free(rootfsdir);
lxc_free_array((void **)opts, free);
-   return -1;
+   return fret;
 }
 
 
-- 
2.6.2

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