[syslinux:pathbased] installers: fix warnings

[syslinux-bot for H. Peter Anvin]

Commit-ID:  d7eb569f092913018934dc702ba22af295557cc9
Gitweb:     http://syslinux.zytor.com/commit/d7eb569f092913018934dc702ba22af295557cc9
Author:     H. Peter Anvin <hpa at linux.intel.com>
AuthorDate: Wed, 12 May 2010 16:06:10 -0700
Committer:  H. Peter Anvin <hpa at linux.intel.com>
CommitDate: Wed, 12 May 2010 16:06:10 -0700

installers: fix warnings

CLean up warnings in the installers.

Signed-off-by: H. Peter Anvin <hpa at linux.intel.com>


---
 extlinux/main.c         |    2 ++
 libinstaller/syslxmod.c |    5 +++--
 linux/syslinux.c        |    2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/extlinux/main.c b/extlinux/main.c
index e1d5596..dea2d19 100644
--- a/extlinux/main.c
+++ b/extlinux/main.c
@@ -1014,6 +1014,8 @@ static const char *find_device(const char *mtab_file, dev_t dev)
 		    done = true;
 		    break;
 		}
+	case NONE:
+	    break;
 	}
 	if (done) {
 		devname = strdup(mnt->mnt_fsname);
diff --git a/libinstaller/syslxmod.c b/libinstaller/syslxmod.c
index 0285bb4..e18d8a6 100644
--- a/libinstaller/syslxmod.c
+++ b/libinstaller/syslxmod.c
@@ -25,11 +25,11 @@
 #include "syslinux.h"
 #include "syslxint.h"
 
-#define sbs ((struct boot_sector *)syslinux_bootsect)
-
 void syslinux_make_bootsect(void *bs)
 {
     struct boot_sector *bootsect = bs;
+    const struct boot_sector *sbs =
+	(const struct boot_sector *)syslinux_bootsect;
 
     memcpy(&bootsect->bsHead, &sbs->bsHead, bsHeadLen);
     memcpy(&bootsect->bsCode, &sbs->bsCode, bsCodeLen);
@@ -234,6 +234,7 @@ int syslinux_patch(const uint32_t * sectors, int nsectors,
     int nsect = (syslinux_ldlinux_len + 511) >> 9;
     uint32_t csum;
     int i, dw, nptrs, rv;
+    struct boot_sector *sbs = (struct boot_sector *)syslinux_bootsect;
 
     if (nsectors < nsect)
 	return -1;
diff --git a/linux/syslinux.c b/linux/syslinux.c
index 0232377..0ac9de9 100644
--- a/linux/syslinux.c
+++ b/linux/syslinux.c
@@ -329,7 +329,7 @@ int main(int argc, char *argv[])
     char mntname[128];
     char *ldlinux_name, **argp, *opt;
     const char *subdir = NULL;
-    uint32_t *sectors;
+    uint32_t *sectors = NULL;
     int ldlinux_sectors;
     int nsectors = 0;
     const char *errmsg;