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[CIFS] Reduce cifs stack space usage

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The two cifs functions that used the most stack according
to "make checkstack" have been changed to use less stack.

Thanks to jra and Shaggy for helpful ideas

Signed-off-by: Steve French <sfrench@us.ibm.com>
cc: jra@samba.org
cc: shaggy@us.ibm.com
This commit is contained in:
Steve French
2007-02-02 04:21:57 +00:00
parent 030e9d8147
commit 9a0c8230e8
2 changed files with 16 additions and 4 deletions
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8
fs/cifs/smbdes.c
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@ -196,7 +196,7 @@ dohash(char *out, char *in, char *key, int forw)
char c[28];
char d[28];
char *cd;
char ki[16][48];
char (*ki)[48];
char *pd1;
char l[32], r[32];
char *rl;
@ -206,6 +206,10 @@ dohash(char *out, char *in, char *key, int forw)
if(pk1 == NULL)
return;
ki = kmalloc(16*48, GFP_KERNEL);
if(ki == NULL)
return;
cd = pk1 + 56;
pd1= cd + 56;
rl = pd1 + 64;
@ -243,6 +247,7 @@ dohash(char *out, char *in, char *key, int forw)
er = kmalloc(48+48+32+32+32, GFP_KERNEL);
if(er == NULL) {
kfree(pk1);
kfree(ki);
return;
}
erk = er+48;
@ -290,6 +295,7 @@ dohash(char *out, char *in, char *key, int forw)
permute(out, rl, perm6, 64);
kfree(pk1);
kfree(ki);
}
static void