diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2025-01-14 22:32:14 +0100 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2025-01-19 03:56:04 -0500 |
| commit | f5f01c5c409e697c6ae7091ca578bfbd3825e87c (patch) | |
| tree | 7945b7e6c5aa6b4754151b9ba5cbf4b78a8fe3ec | |
| parent | 39d772f6654a17ae57656602e801d265e82a2e36 (diff) | |
RDMA/qib: Constify 'struct bin_attribute'
The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20250114-sysfs-const-bin_attr-infiniband-v1-2-397aaa94d453@weissschuh.net
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_sysfs.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c index ba2cd68b53e6..805e37dc7621 100644 --- a/drivers/infiniband/hw/qib/qib_sysfs.c +++ b/drivers/infiniband/hw/qib/qib_sysfs.c @@ -214,8 +214,8 @@ static const struct attribute_group port_linkcontrol_group = { * Congestion control table size followed by table entries */ static ssize_t cc_table_bin_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, char *buf, - loff_t pos, size_t count) + const struct bin_attribute *bin_attr, + char *buf, loff_t pos, size_t count) { struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); int ret; @@ -241,7 +241,7 @@ static ssize_t cc_table_bin_read(struct file *filp, struct kobject *kobj, return count; } -static BIN_ATTR_RO(cc_table_bin, PAGE_SIZE); +static const BIN_ATTR_RO(cc_table_bin, PAGE_SIZE); /* * Congestion settings: port control, control map and an array of 16 @@ -249,8 +249,8 @@ static BIN_ATTR_RO(cc_table_bin, PAGE_SIZE); * trigger threshold and the minimum injection rate delay. */ static ssize_t cc_setting_bin_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, char *buf, - loff_t pos, size_t count) + const struct bin_attribute *bin_attr, + char *buf, loff_t pos, size_t count) { struct qib_pportdata *ppd = qib_get_pportdata_kobj(kobj); int ret; @@ -274,9 +274,9 @@ static ssize_t cc_setting_bin_read(struct file *filp, struct kobject *kobj, return count; } -static BIN_ATTR_RO(cc_setting_bin, PAGE_SIZE); +static const BIN_ATTR_RO(cc_setting_bin, PAGE_SIZE); -static struct bin_attribute *port_ccmgta_attributes[] = { +static const struct bin_attribute *const port_ccmgta_attributes[] = { &bin_attr_cc_setting_bin, &bin_attr_cc_table_bin, NULL, @@ -295,7 +295,7 @@ static umode_t qib_ccmgta_is_bin_visible(struct kobject *kobj, static const struct attribute_group port_ccmgta_attribute_group = { .name = "CCMgtA", .is_bin_visible = qib_ccmgta_is_bin_visible, - .bin_attrs = port_ccmgta_attributes, + .bin_attrs_new = port_ccmgta_attributes, }; /* Start sl2vl */ |