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authorPeter Senna Tschudin <peter.senna@gmail.com>2012-10-05 11:33:03 +0000
committerDavid S. Miller <davem@davemloft.net>2012-10-07 14:37:10 -0400
commit87286477c4688e5324e24916a1b2da4972ea84ba (patch)
tree6d84da6f5fa438e6e6fd8453f16e298a9edcdec8 /fs/jfs
parent0968a9d1c8f1d0d91e64faf49f6b1ef4f8775aa6 (diff)
drivers/net/irda/irtty-sir.c: fix error return code
The function irtty_open() return 0 for success and negative value for most of its internal tests failures. There is one exception that is error case going to out_put:. For this error case, the function abort its success execution path, but returns non negative value, making it difficult for a caller function to notice the error. This patch fixes the error case that do not return negative value. This was found by Coccinelle, but the code change was made by hand. This patch is not robot generated. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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