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nvsciipc: add put_cred()

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Added missing put_cred() after using get_current_cred()

JIRA NVIPC-3520
Bug 5300203

Change-Id: Iddfb1ae78bb265109709360746b315bd1e62561b
Signed-off-by: Joshua Cha <joshuac@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3369157
Reviewed-by: Jungho Kim <junghok@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Simon Je <sje@nvidia.com>
This commit is contained in:
Joshua Cha
2025-05-22 15:33:12 +09:00
committed by Jon Hunter
parent 38227b2177
commit b42f5d8ada
1 changed files with 7 additions and 0 deletions
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7
drivers/misc/nvsciipc/nvsciipc.c
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@@ -317,6 +317,7 @@ static int nvsciipc_ioctl_get_db_by_idx(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
if ((ctx->num_eps == 0) || (ctx->set_db_f != true)) {
ERR("%s[%d] need to set endpoint database first\n", __func__,
get_current()->tgid);
@@ -383,6 +384,7 @@ static int nvsciipc_ioctl_reserve_ep(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
/* Authenticate the client process with valid UID */
if ((ctx->db[i]->uid != 0xFFFFFFFF) &&
(uid != 0) && (uid != ctx->db[i]->uid)) {
@@ -486,6 +488,7 @@ static int nvsciipc_ioctl_get_db_by_name(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
/* Authenticate the client process with valid UID */
if ((ctx->db[i]->uid != 0xFFFFFFFF) &&
(uid != 0) && (uid != ctx->db[i]->uid)) {
@@ -536,6 +539,7 @@ static int nvsciipc_ioctl_get_db_by_vuid(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
/* Authenticate the client process with valid UID */
if ((ctx->db[i]->uid != 0xFFFFFFFF) &&
(uid != 0) && (uid != ctx->db[i]->uid)) {
@@ -589,6 +593,7 @@ static int nvsciipc_ioctl_get_vuid(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
/* Authenticate the client process with valid UID */
if ((ctx->db[i]->uid != 0xFFFFFFFF) &&
(uid != 0) && (uid != ctx->db[i]->uid)) {
@@ -624,6 +629,7 @@ static int nvsciipc_ioctl_set_db(struct nvsciipc *ctx, unsigned int cmd,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
INFO("set_db start\n");
#if defined(CONFIG_ANDROID) || defined(CONFIG_TEGRA_SYSTEM_TYPE_ACK)
@@ -901,6 +907,7 @@ static ssize_t nvsciipc_dbg_read(struct file *filp, char __user *buf,
struct cred const *cred = get_current_cred();
uid_t const uid = cred->uid.val;
put_cred(cred);
/* check root user */
if ((uid != 0) && (uid != s_nvsciipc_uid)) {
ERR("no permission to read db\n");