[PATCH] kfree cleanup: arch

This is the arch/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in arch/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jesper Juhl 2005-11-07 01:01:35 -08:00 committed by Linus Torvalds
parent f99d49adf5
commit b2325fe1b7
12 changed files with 25 additions and 40 deletions

View File

@ -420,8 +420,7 @@ static int impd1_probe(struct lm_device *dev)
free_impd1:
if (impd1 && impd1->base)
iounmap(impd1->base);
if (impd1)
kfree(impd1);
kfree(impd1);
release_lm:
release_mem_region(dev->resource.start, SZ_4K);
return ret;

View File

@ -277,7 +277,7 @@ struct file_operations cryptocop_fops = {
static void free_cdesc(struct cryptocop_dma_desc *cdesc)
{
DEBUG(printk("free_cdesc: cdesc 0x%p, from_pool=%d\n", cdesc, cdesc->from_pool));
if (cdesc->free_buf) kfree(cdesc->free_buf);
kfree(cdesc->free_buf);
if (cdesc->from_pool) {
unsigned long int flags;
@ -2950,15 +2950,15 @@ static int cryptocop_ioctl_process(struct inode *inode, struct file *filp, unsig
put_page(outpages[i]);
}
if (digest_result) kfree(digest_result);
if (inpages) kfree(inpages);
if (outpages) kfree(outpages);
kfree(digest_result);
kfree(inpages);
kfree(outpages);
if (cop){
if (cop->tfrm_op.indata) kfree(cop->tfrm_op.indata);
if (cop->tfrm_op.outdata) kfree(cop->tfrm_op.outdata);
kfree(cop->tfrm_op.indata);
kfree(cop->tfrm_op.outdata);
kfree(cop);
}
if (jc) kfree(jc);
kfree(jc);
DEBUG(print_lock_status());

View File

@ -4940,7 +4940,7 @@ abort_locked:
if (call_made && PFM_CMD_RW_ARG(cmd) && copy_to_user(arg, args_k, base_sz*count)) ret = -EFAULT;
error_args:
if (args_k) kfree(args_k);
kfree(args_k);
DPRINT(("cmd=%s ret=%ld\n", PFM_CMD_NAME(cmd), ret));

View File

@ -286,10 +286,8 @@ static struct property *new_property(const char *name, const int length,
return new;
cleanup:
if (new->name)
kfree(new->name);
if (new->value)
kfree(new->value);
kfree(new->name);
kfree(new->value);
kfree(new);
return NULL;
}

View File

@ -1013,8 +1013,7 @@ static void CS_IrqCleanup(void)
*/
cpm_free_handler(CPMVEC_SMC2);
if (beep_buf)
kfree(beep_buf);
kfree(beep_buf);
kd_mksound = orig_mksound;
}
#endif /* MODULE */

View File

@ -1335,10 +1335,8 @@ release_OF_resource(struct device_node* node, int index)
if (!res)
return -ENODEV;
if (res->name) {
kfree(res->name);
res->name = NULL;
}
kfree(res->name);
res->name = NULL;
release_resource(res);
kfree(res);

View File

@ -599,9 +599,7 @@ int __init lparcfg_init(void)
void __exit lparcfg_cleanup(void)
{
if (proc_ppc64_lparcfg) {
if (proc_ppc64_lparcfg->data) {
kfree(proc_ppc64_lparcfg->data);
}
kfree(proc_ppc64_lparcfg->data);
remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent);
}
}

View File

@ -225,8 +225,7 @@ int __init scanlog_init(void)
void __exit scanlog_cleanup(void)
{
if (proc_ppc64_scan_log_dump) {
if (proc_ppc64_scan_log_dump->data)
kfree(proc_ppc64_scan_log_dump->data);
kfree(proc_ppc64_scan_log_dump->data);
remove_proc_entry("scan-log-dump", proc_ppc64_scan_log_dump->parent);
}
}

View File

@ -234,8 +234,8 @@ query_segment_type (struct dcss_segment *seg)
rc = 0;
out_free:
if (qin) kfree(qin);
if (qout) kfree(qout);
kfree(qin);
kfree(qout);
return rc;
}
@ -394,7 +394,7 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long
segtype_string[seg->vm_segtype]);
goto out;
out_free:
kfree (seg);
kfree(seg);
out:
return rc;
}
@ -505,7 +505,7 @@ segment_modify_shared (char *name, int do_nonshared)
list_del(&seg->list);
dcss_diag(DCSS_PURGESEG, seg->dcss_name,
&dummy, &dummy);
kfree (seg);
kfree(seg);
out_unlock:
spin_unlock(&dcss_lock);
return rc;

View File

@ -388,10 +388,8 @@ err_out:
kfree(driver);
cpufreq_us2e_driver = NULL;
}
if (us2e_freq_table) {
kfree(us2e_freq_table);
us2e_freq_table = NULL;
}
kfree(us2e_freq_table);
us2e_freq_table = NULL;
return ret;
}
@ -402,7 +400,6 @@ static void __exit us2e_freq_exit(void)
{
if (cpufreq_us2e_driver) {
cpufreq_unregister_driver(cpufreq_us2e_driver);
kfree(cpufreq_us2e_driver);
cpufreq_us2e_driver = NULL;
kfree(us2e_freq_table);

View File

@ -249,10 +249,8 @@ err_out:
kfree(driver);
cpufreq_us3_driver = NULL;
}
if (us3_freq_table) {
kfree(us3_freq_table);
us3_freq_table = NULL;
}
kfree(us3_freq_table);
us3_freq_table = NULL;
return ret;
}
@ -263,7 +261,6 @@ static void __exit us3_freq_exit(void)
{
if (cpufreq_us3_driver) {
cpufreq_unregister_driver(cpufreq_us3_driver);
kfree(cpufreq_us3_driver);
cpufreq_us3_driver = NULL;
kfree(us3_freq_table);

View File

@ -224,7 +224,7 @@ static int need_poll(int n)
next_poll.used = n;
return(0);
}
if(next_poll.poll != NULL) kfree(next_poll.poll);
kfree(next_poll.poll);
next_poll.poll = um_kmalloc_atomic(n * sizeof(struct pollfd));
if(next_poll.poll == NULL){
printk("need_poll : failed to allocate new pollfds\n");