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Groups > linux.kernel > #1669366
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.4 15/30] usb: core: fix potential memory leak in error path during hcd creation |
| Date | 2017-06-19 17:50 +0200 |
| Message-ID | <tU76b-4xl-51@gated-at.bofh.it> (permalink) |
| References | <tU6Wt-4tx-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Anton Bondarenko <anton.bondarenko.sama@gmail.com>
commit 1a744d2eb76aaafb997fda004ae3ae62a1538f85 upstream.
Free memory allocated for address0_mutex if allocation of bandwidth_mutex
failed.
Fixes: feb26ac31a2a ("usb: core: hub: hub_port_init lock controller instead of bus")
Signed-off-by: Anton Bondarenko <anton.bondarenko.sama@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/core/hcd.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2511,6 +2511,7 @@ struct usb_hcd *usb_create_shared_hcd(co
hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex),
GFP_KERNEL);
if (!hcd->bandwidth_mutex) {
+ kfree(hcd->address0_mutex);
kfree(hcd);
dev_dbg(dev, "hcd bandwidth mutex alloc failed\n");
return NULL;
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[PATCH 4.4 00/30] 4.4.74-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 23/30] mm/memory-failure.c: use compound_head() flags for huge pages Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 10/30] x86/mm/32: Set the __vmalloc_start_set flag in initmem_init() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 15/30] usb: core: fix potential memory leak in error path during hcd creation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 16/30] [media] pvrusb2: reduce stack usage pvr2_eeprom_analyze() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 06/30] mac80211/wpa: use constant time memory comparison for MACs Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 19/30] usb: r8a66597-hcd: decrease timeout Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200 [PATCH 4.4 25/30] genirq: Release resources in __setup_irq() error path Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-19 17:50 +0200
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