binfmt_flat: warning fixes

Fix this lot:

fs/binfmt_flat.c: In function `decompress_exec':
fs/binfmt_flat.c:293: warning: label `out' defined but not used
fs/binfmt_flat.c: In function `load_flat_file':
fs/binfmt_flat.c:462: warning: unsigned int format, long int arg (arg 3)
fs/binfmt_flat.c:462: warning: unsigned int format, long int arg (arg 4)
fs/binfmt_flat.c:518: warning: comparison of distinct pointer types lacks a cast
fs/binfmt_flat.c:549: warning: passing arg 1 of `ksize' makes pointer from integer without a cast
fs/binfmt_flat.c:601: warning: passing arg 1 of `ksize' makes pointer from integer without a cast
fs/binfmt_flat.c: In function `load_flat_binary':
fs/binfmt_flat.c:116: warning: 'dummy' might be used uninitialized in this function

Acked-by: Greg Ungerer <gerg@uclinux.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 6 deletions

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 265fac868067..33764fd6db66 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -113,7 +113,7 @@ static unsigned long create_flat_tables(
         char * p = (char*)pp;
         int argc = bprm->argc;
         int envc = bprm->envc;
-        char dummy;
+        char uninitialized_var(dummy);
 
         sp = (unsigned long *) ((-(unsigned long)sizeof(char *))&(unsigned long) p);
 
@@ -290,7 +290,6 @@ out_free_buf:
         kfree(buf);
 out_free:
         kfree(strm.workspace);
-out:
         return retval;
 }
 
@@ -459,7 +458,9 @@ static int load_flat_file(struct linux_binprm * bprm,
                 printk("BINFMT_FLAT: Loading file: %s\n", bprm->filename);
 
         if (rev != FLAT_VERSION && rev != OLD_FLAT_VERSION) {
-                printk("BINFMT_FLAT: bad flat file version 0x%x (supported 0x%x and 0x%x)\n", rev, FLAT_VERSION, OLD_FLAT_VERSION);
+                printk("BINFMT_FLAT: bad flat file version 0x%x (supported "
+                        "0x%lx and 0x%lx)\n",
+                        rev, FLAT_VERSION, OLD_FLAT_VERSION);
                 ret = -ENOEXEC;
                 goto err;
         }
@@ -515,7 +516,8 @@ static int load_flat_file(struct linux_binprm * bprm,
         /*
          * calculate the extra space we need to map in
          */
-        extra = max(bss_len + stack_len, relocs * sizeof(unsigned long));
+        extra = max_t(unsigned long, bss_len + stack_len,
+                        relocs * sizeof(unsigned long));
 
         /*
          * there are a couple of cases here,  the separate code/data
@@ -546,7 +548,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                         PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 0);
                 /* Remap to use all availabe slack region space */
                 if (realdatastart && (realdatastart < (unsigned long)-4096)) {
-                        reallen = ksize(realdatastart);
+                        reallen = ksize((void *)realdatastart);
                         if (reallen > len) {
                                 realdatastart = do_mremap(realdatastart, len,
                                         reallen, MREMAP_FIXED, realdatastart);
@@ -598,7 +600,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                         PROT_READ | PROT_EXEC | PROT_WRITE, MAP_PRIVATE, 0);
                 /* Remap to use all availabe slack region space */
                 if (textpos && (textpos < (unsigned long) -4096)) {
-                        reallen = ksize(textpos);
+                        reallen = ksize((void *)textpos);
                         if (reallen > len) {
                                 textpos = do_mremap(textpos, len, reallen,
                                         MREMAP_FIXED, textpos);