diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 01:01:45 +0100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 01:01:45 +0100 |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /Documentation/video4linux/v4lgrab.c | |
parent | TPM: integrity fix (diff) | |
parent | seq_file: fix big-enough lseek() + read() (diff) | |
download | linux-cb5629b10d64a8006622ce3a52bc887d91057d69.tar.xz linux-cb5629b10d64a8006622ce3a52bc887d91057d69.zip |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'Documentation/video4linux/v4lgrab.c')
-rw-r--r-- | Documentation/video4linux/v4lgrab.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/Documentation/video4linux/v4lgrab.c b/Documentation/video4linux/v4lgrab.c index 079b628481cf..d6e70bef8ad0 100644 --- a/Documentation/video4linux/v4lgrab.c +++ b/Documentation/video4linux/v4lgrab.c @@ -4,12 +4,21 @@ * * Compile with: * gcc -s -Wall -Wstrict-prototypes v4lgrab.c -o v4lgrab - * Use as: - * v4lgrab >image.ppm + * Use as: + * v4lgrab >image.ppm * * Copyright (C) 1998-05-03, Phil Blundell <philb@gnu.org> - * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c - * with minor modifications (Dave Forrest, drf5n@virginia.edu). + * Copied from http://www.tazenda.demon.co.uk/phil/vgrabber.c + * with minor modifications (Dave Forrest, drf5n@virginia.edu). + * + * + * For some cameras you may need to pre-load libv4l to perform + * the necessary decompression, e.g.: + * + * export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so + * ./v4lgrab >image.ppm + * + * see http://hansdegoede.livejournal.com/3636.html for details. * */ @@ -24,7 +33,7 @@ #include <linux/types.h> #include <linux/videodev.h> -#define FILE "/dev/video0" +#define VIDEO_DEV "/dev/video0" /* Stole this from tvset.c */ @@ -90,7 +99,7 @@ int get_brightness_adj(unsigned char *image, long size, int *brightness) { int main(int argc, char ** argv) { - int fd = open(FILE, O_RDONLY), f; + int fd = open(VIDEO_DEV, O_RDONLY), f; struct video_capability cap; struct video_window win; struct video_picture vpic; @@ -100,13 +109,13 @@ int main(int argc, char ** argv) unsigned int i, src_depth; if (fd < 0) { - perror(FILE); + perror(VIDEO_DEV); exit(1); } if (ioctl(fd, VIDIOCGCAP, &cap) < 0) { perror("VIDIOGCAP"); - fprintf(stderr, "(" FILE " not a video4linux device?)\n"); + fprintf(stderr, "(" VIDEO_DEV " not a video4linux device?)\n"); close(fd); exit(1); } |