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[PATCH v1] usb: core: driver: Use kmalloc_array

From Muhammad Falak R Wani <falakreyaz@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v1] usb: core: driver: Use kmalloc_array
Date 2015-09-07 18:00 +0200
Message-ID <q66ZQ-1AW-19@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Use kmalloc_array instead of kmalloc to allocate memory for an array.
Also, remove the dev_warn for a memory leak, making the if check more
sleek.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
On suggestion by Joe Perches <joe@perches.com>

Changes since v0
	-remove dev_warn for memory leak
	-remove unnecessary parens for if
---
 drivers/usb/core/driver.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 818369a..e0636c1 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -416,12 +416,10 @@ static int usb_unbind_interface(struct device *dev)
 		if (ep->streams == 0)
 			continue;
 		if (j == 0) {
-			eps = kmalloc(USB_MAXENDPOINTS * sizeof(void *),
+			eps = kmalloc_array(USB_MAXENDPOINTS, sizeof(void *),
 				      GFP_KERNEL);
-			if (!eps) {
-				dev_warn(dev, "oom, leaking streams\n");
+			if (!eps)
 				break;
-			}
 		}
 		eps[j++] = ep;
 	}
-- 
1.9.1

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[PATCH v1] usb: core: driver: Use kmalloc_array Muhammad Falak R Wani <falakreyaz@gmail.com> - 2015-09-07 18:00 +0200

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