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Subject[PATCH] stable: uio: Fix warning: 'ret' might be used uninitialized
In two cases, the return value variable "ret" can be undefined.

Signed-off-by: Hans J. Koch <hjk@hansjkoch.de>
Reported-by: Vitalii Demianets <vitas@nppfactor.kiev.ua>

---
drivers/uio/uio.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 5110f36..0c80df2 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -273,6 +273,7 @@ static int uio_dev_add_attributes(struct uio_device *idev)
struct uio_portio *portio;

for (mi = 0; mi < MAX_UIO_MAPS; mi++) {
+ ret = -ENOMEM;
mem = &idev->info->mem[mi];
if (mem->size == 0)
break;
@@ -298,6 +299,7 @@ static int uio_dev_add_attributes(struct uio_device *idev)
}

for (pi = 0; pi < MAX_UIO_PORT_REGIONS; pi++) {
+ ret = -ENOMEM;
port = &idev->info->port[pi];
if (port->size == 0)
break;
--
1.7.9


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