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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-07 10:59:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-07 10:59:32 -0700
commit9aa900c8094dba7a60dc805ecec1e9f720744ba1 (patch)
tree3cc09a579f8ea6d3a182076ba722f7c1648e682d /drivers/misc/fastrpc.c
parentf558b8364e19f9222e7976c64e9367f66bab02cc (diff)
parent05c8a4fc44a916dd897769ca69b42381f9177ec4 (diff)
downloadlwn-9aa900c8094dba7a60dc805ecec1e9f720744ba1.tar.gz
lwn-9aa900c8094dba7a60dc805ecec1e9f720744ba1.zip
Merge tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here is the large set of char/misc driver patches for 5.8-rc1 Included in here are: - habanalabs driver updates, loads - mhi bus driver updates - extcon driver updates - clk driver updates (approved by the clock maintainer) - firmware driver updates - fpga driver updates - gnss driver updates - coresight driver updates - interconnect driver updates - parport driver updates (it's still alive!) - nvmem driver updates - soundwire driver updates - visorbus driver updates - w1 driver updates - various misc driver updates In short, loads of different driver subsystem updates along with the drivers as well. All have been in linux-next for a while with no reported issues" * tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits) habanalabs: correctly cast u64 to void* habanalabs: initialize variable to default value extcon: arizona: Fix runtime PM imbalance on error extcon: max14577: Add proper dt-compatible strings extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()' extcon: remove redundant assignment to variable idx w1: omap-hdq: print dev_err if irq flags are not cleared w1: omap-hdq: fix interrupt handling which did show spurious timeouts w1: omap-hdq: fix return value to be -1 if there is a timeout w1: omap-hdq: cleanup to add missing newline for some dev_dbg /dev/mem: Revoke mappings when a driver claims the region misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages() misc: xilinx-sdfec: cleanup return value in xsdfec_table_write() misc: xilinx-sdfec: improve get_user_pages_fast() error handling nvmem: qfprom: remove incorrect write support habanalabs: handle MMU cache invalidation timeout habanalabs: don't allow hard reset with open processes habanalabs: GAUDI does not support soft-reset habanalabs: add print for soft reset due to event habanalabs: improve MMU cache invalidation code ...
Diffstat (limited to 'drivers/misc/fastrpc.c')
-rw-r--r--drivers/misc/fastrpc.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index e3e085e33d46..7939c55daceb 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -904,6 +904,7 @@ static int fastrpc_invoke_send(struct fastrpc_session_ctx *sctx,
struct fastrpc_channel_ctx *cctx;
struct fastrpc_user *fl = ctx->fl;
struct fastrpc_msg *msg = &ctx->msg;
+ int ret;
cctx = fl->cctx;
msg->pid = fl->tgid;
@@ -919,7 +920,13 @@ static int fastrpc_invoke_send(struct fastrpc_session_ctx *sctx,
msg->size = roundup(ctx->msg_sz, PAGE_SIZE);
fastrpc_context_get(ctx);
- return rpmsg_send(cctx->rpdev->ept, (void *)msg, sizeof(*msg));
+ ret = rpmsg_send(cctx->rpdev->ept, (void *)msg, sizeof(*msg));
+
+ if (ret)
+ fastrpc_context_put(ctx);
+
+ return ret;
+
}
static int fastrpc_internal_invoke(struct fastrpc_user *fl, u32 kernel,
@@ -1613,8 +1620,10 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
domains[domain_id]);
data->miscdev.fops = &fastrpc_fops;
err = misc_register(&data->miscdev);
- if (err)
+ if (err) {
+ kfree(data);
return err;
+ }
kref_init(&data->refcount);