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isdn4linux
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change alloc's/free's from vmalloc/vfree to kmalloc/kfree 

to use bsdcomp in none user-context (abc-stuff only).
move MOD_INC_USE_COUNT before first bsd_free wich call MOD_DEC_USE_COUNT.
This commit is contained in:
Detlef Wengorz 2002-08-17 18:28:38 +00:00
parent 3fcfc40d2e
commit d6bcb93acf
1 changed files with 19 additions and 6 deletions
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25
drivers/isdn/isdn_bsdcomp.c
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@ -105,6 +105,14 @@ MODULE_LICENSE("Dual BSD/GPL");
#define DEBUG 1
#ifdef CONFIG_ISDN_WITH_ABC
#define BSD_C_MALLOC(x) kmalloc((x),GFP_ATOMIC)
#define BSD_C_FREE(x) kfree(x)
#else
#define BSD_C_MALLOC(x) vmalloc(x)
#define BSD_C_FREE(x) vfree(x)
#endif
/*
* A dictionary for doing BSD compress.
*/
@ -285,7 +293,7 @@ static void bsd_free (void *state)
* Release the dictionary
*/
if (db->dict) {
vfree (db->dict);
BSD_C_FREE (db->dict);
db->dict = NULL;
}
@ -293,7 +301,7 @@ static void bsd_free (void *state)
* Release the string buffer
*/
if (db->lens) {
vfree (db->lens);
BSD_C_FREE (db->lens);
db->lens = NULL;
}
@ -350,14 +358,19 @@ static void *bsd_alloc (struct isdn_ppp_comp_data *data)
* Allocate space for the dictionary. This may be more than one page in
* length.
*/
db->dict = (struct bsd_dict *) vmalloc (hsize * sizeof (struct bsd_dict));
db->dict = (struct bsd_dict *) BSD_C_MALLOC (hsize * sizeof (struct bsd_dict));
MOD_INC_USE_COUNT;
/*
** MOD_INC_USE_COUNT must be before bsd_free
** bsd_free make MOD_DEC_USE_COUNT if db != NULL
*/
if (!db->dict) {
bsd_free (db);
return NULL;
}
MOD_INC_USE_COUNT;
/*
* If this is the compression buffer then there is no length data.
* For decompression, the length information is needed as well.
@ -365,7 +378,7 @@ static void *bsd_alloc (struct isdn_ppp_comp_data *data)
if (!decomp)
db->lens = NULL;
else {
db->lens = (unsigned short *) vmalloc ((maxmaxcode + 1) *
db->lens = (unsigned short *) BSD_C_MALLOC ((maxmaxcode + 1) *
sizeof (db->lens[0]));
if (!db->lens) {
bsd_free (db); /* calls MOD_DEC_USE_COUNT; */