From: Eric Moore Date: Sat, 29 Sep 2007 16:22:54 +0000 (-0600) Subject: [SCSI] mptctl : shutup uninitialized variable warnings X-Git-Tag: v2.6.24-rc1~1290^2~54 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab37128797148edb5993d98b638d668f75ee5119;p=linux-2.6 [SCSI] mptctl : shutup uninitialized variable warnings drivers/message/fusion/mptctl.c: In function ‘mptctl_mpt_command’: drivers/message/fusion/mptctl.c:1764: warning: ‘bufIn.len’ may be used uninitialized in this function drivers/message/fusion/mptctl.c:1765: warning: ‘bufOut.len’ may be used uninitialized in this function come because gcc gets confused by some "goto" statements in above function. The warnings have been verified to be bogus, however, the function does initialize these later (after the offending goto's) in the function anyway. So let's move those initializations to top of function, thereby also shutting up these warnings. Signed-off-by: Eric Moore Signed-off-by: Satyam Sharma Signed-off-by: James Bottomley --- diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index 70178a8940..6029509702 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -1774,7 +1774,10 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) ulong timeout; struct scsi_device *sdev; + /* bufIn and bufOut are used for user to kernel space transfers + */ bufIn.kptr = bufOut.kptr = NULL; + bufIn.len = bufOut.len = 0; if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || (ioc == NULL)) { @@ -2108,11 +2111,6 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) psge = (char *) (((int *) mf) + karg.dataSgeOffset); flagsLength = 0; - /* bufIn and bufOut are used for user to kernel space transfers - */ - bufIn.kptr = bufOut.kptr = NULL; - bufIn.len = bufOut.len = 0; - if (karg.dataOutSize > 0) sgSize ++;