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Fix a file descriptor leak in cam_lookup_pass() when the ioctl to find

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the passthru device fails.

Approved by:	scottl
MFC after:	1 day
This commit is contained in:
Joe Marcus Clarke 2006-04-30 07:02:40 +00:00
parent 1b355c2dc7
commit 8bc181f506
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158170
1 changed files with 5 additions and 4 deletions
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9
lib/libcam/camlib.c
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@ -465,7 +465,7 @@ static struct cam_device *
cam_lookup_pass(const char *dev_name, int unit, int flags,
const char *given_path, struct cam_device *device)
{
int fd;
int fd, rc;
union ccb ccb;
char dev_path[256];
char *func_name = "cam_lookup_pass";
@ -494,7 +494,10 @@ cam_lookup_pass(const char *dev_name, int unit, int flags,
* the device name is null, if the device doesn't exist, or if the
* passthrough driver isn't in the kernel.
*/
if (ioctl(fd, CAMGETPASSTHRU, &ccb) == -1) {
rc = ioctl(fd, CAMGETPASSTHRU, &ccb);
close(fd);
if (rc == -1) {
char tmpstr[256];
/*
@ -517,8 +520,6 @@ cam_lookup_pass(const char *dev_name, int unit, int flags,
return(NULL);
}
close(fd);
/*
* If the ioctl returned the right status, but we got an error back
* in the ccb, that means that the kernel found the device the user