diff options
Diffstat (limited to 'drivers/pcmcia/rsrc_nonstatic.c')
| -rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 49377d502b74..da494fe451ba 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * rsrc_nonstatic.c -- Resource management routines for !SS_CAP_STATIC_MAP sockets * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * The initial developer of the original code is David A. Hinds * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. @@ -260,7 +257,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, /*======================================================================*/ -/** +/* * readable() - iomem validation function for cards with a valid CIS */ static int readable(struct pcmcia_socket *s, struct resource *res, @@ -291,7 +288,7 @@ static int readable(struct pcmcia_socket *s, struct resource *res, return 0; } -/** +/* * checksum() - iomem validation function for simple memory cards */ static int checksum(struct pcmcia_socket *s, struct resource *res, @@ -346,9 +343,9 @@ static int checksum(struct pcmcia_socket *s, struct resource *res, */ static int do_validate_mem(struct pcmcia_socket *s, unsigned long base, unsigned long size, - int validate (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value)) + int (*validate)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { struct socket_data *s_data = s->resource_data; struct resource *res1, *res2; @@ -378,7 +375,9 @@ static int do_validate_mem(struct pcmcia_socket *s, if (validate && !s->fake_cis) { /* move it to the validated data set */ - add_interval(&s_data->mem_db_valid, base, size); + ret = add_interval(&s_data->mem_db_valid, base, size); + if (ret) + return ret; sub_interval(&s_data->mem_db, base, size); } @@ -397,16 +396,16 @@ static int do_validate_mem(struct pcmcia_socket *s, * do_mem_probe() checks a memory region for use by the PCMCIA subsystem. * To do so, the area is split up into sensible parts, and then passed * into the @validate() function. Only if @validate() and @fallback() fail, - * the area is marked as unavaibale for use by the PCMCIA subsystem. The + * the area is marked as unavailable for use by the PCMCIA subsystem. The * function returns the size of the usable memory area. */ static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num, - int validate (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value), - int fallback (struct pcmcia_socket *s, - struct resource *res, - unsigned int *value)) + int (*validate)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value), + int (*fallback)(struct pcmcia_socket *s, + struct resource *res, + unsigned int *value)) { struct socket_data *s_data = s->resource_data; u_long i, j, bad, fail, step; @@ -693,6 +692,9 @@ static struct resource *__nonstatic_find_io_region(struct pcmcia_socket *s, unsigned long min = base; int ret; + if (!res) + return NULL; + data.mask = align - 1; data.offset = base & data.mask; data.map = &s_data->io_db; @@ -812,6 +814,9 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num, unsigned long min, max; int ret, i, j; + if (!res) + return NULL; + low = low || !(s->features & SS_CAP_PAGE_REGS); data.mask = align - 1; @@ -1050,6 +1055,8 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) q = p->next; kfree(p); } + + kfree(data); } @@ -1079,7 +1086,7 @@ static ssize_t show_io_db(struct device *dev, for (p = data->io_db.next; p != &data->io_db; p = p->next) { if (ret > (PAGE_SIZE - 10)) continue; - ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1), + ret += sysfs_emit_at(buf, ret, "0x%08lx - 0x%08lx\n", ((unsigned long) p->base), ((unsigned long) p->base + p->num - 1)); @@ -1136,7 +1143,7 @@ static ssize_t show_mem_db(struct device *dev, p = p->next) { if (ret > (PAGE_SIZE - 10)) continue; - ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1), + ret += sysfs_emit_at(buf, ret, "0x%08lx - 0x%08lx\n", ((unsigned long) p->base), ((unsigned long) p->base + p->num - 1)); @@ -1145,7 +1152,7 @@ static ssize_t show_mem_db(struct device *dev, for (p = data->mem_db.next; p != &data->mem_db; p = p->next) { if (ret > (PAGE_SIZE - 10)) continue; - ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1), + ret += sysfs_emit_at(buf, ret, "0x%08lx - 0x%08lx\n", ((unsigned long) p->base), ((unsigned long) p->base + p->num - 1)); @@ -1197,8 +1204,7 @@ static const struct attribute_group rsrc_attributes = { .attrs = pccard_rsrc_attributes, }; -static int pccard_sysfs_add_rsrc(struct device *dev, - struct class_interface *class_intf) +static int pccard_sysfs_add_rsrc(struct device *dev) { struct pcmcia_socket *s = dev_get_drvdata(dev); @@ -1207,8 +1213,7 @@ static int pccard_sysfs_add_rsrc(struct device *dev, return sysfs_create_group(&dev->kobj, &rsrc_attributes); } -static void pccard_sysfs_remove_rsrc(struct device *dev, - struct class_interface *class_intf) +static void pccard_sysfs_remove_rsrc(struct device *dev) { struct pcmcia_socket *s = dev_get_drvdata(dev); |