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| author | Gustavo Zacarias <gustavo@zacarias.com.ar> | 2012-05-20 03:34:25 +0000 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2012-05-20 19:54:03 +0200 |
| commit | 7a41ddd3fb670f5c59a4e8db605874951c56d756 (patch) | |
| tree | 4b62091c8ee09cffe1d02bed2d9c30cd249a3a9b /package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch | |
| parent | 8b3f94f9b0a600a103aee739bb274e80298c6151 (diff) | |
| download | buildroot-novena-7a41ddd3fb670f5c59a4e8db605874951c56d756.tar.gz buildroot-novena-7a41ddd3fb670f5c59a4e8db605874951c56d756.zip | |
busybox: add 1.20.0 patch for mdev and update buildsys patch
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch')
| -rw-r--r-- | package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch b/package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch new file mode 100644 index 000000000..8a36c53c4 --- /dev/null +++ b/package/busybox/busybox-1.20.0/busybox-1.20.0-mdev.patch @@ -0,0 +1,72 @@ +--- busybox-1.20.0/util-linux/mdev.c ++++ busybox-1.20.0-mdev/util-linux/mdev.c +@@ -661,37 +661,45 @@ static int FAST_FUNC dirAction(const cha + static void load_firmware(const char *firmware, const char *sysfs_path) + { + int cnt; +- int firmware_fd, loading_fd, data_fd; ++ int firmware_fd, loading_fd; + + /* check for /lib/firmware/$FIRMWARE */ + xchdir("/lib/firmware"); +- firmware_fd = xopen(firmware, O_RDONLY); +- +- /* in case we goto out ... */ +- data_fd = -1; ++ firmware_fd = open(firmware, O_RDONLY); /* can fail */ + + /* check for /sys/$DEVPATH/loading ... give 30 seconds to appear */ + xchdir(sysfs_path); + for (cnt = 0; cnt < 30; ++cnt) { + loading_fd = open("loading", O_WRONLY); +- if (loading_fd != -1) ++ if (loading_fd >= 0) + goto loading; + sleep(1); + } + goto out; + + loading: +- /* tell kernel we're loading by "echo 1 > /sys/$DEVPATH/loading" */ +- if (full_write(loading_fd, "1", 1) != 1) +- goto out; +- +- /* load firmware into /sys/$DEVPATH/data */ +- data_fd = open("data", O_WRONLY); +- if (data_fd == -1) +- goto out; +- cnt = bb_copyfd_eof(firmware_fd, data_fd); ++ cnt = 0; ++ if (firmware_fd >= 0) { ++ int data_fd; ++ ++ /* tell kernel we're loading by "echo 1 > /sys/$DEVPATH/loading" */ ++ if (full_write(loading_fd, "1", 1) != 1) ++ goto out; ++ ++ /* load firmware into /sys/$DEVPATH/data */ ++ data_fd = open("data", O_WRONLY); ++ if (data_fd < 0) ++ goto out; ++ cnt = bb_copyfd_eof(firmware_fd, data_fd); ++ if (ENABLE_FEATURE_CLEAN_UP) ++ close(data_fd); ++ } + +- /* tell kernel result by "echo [0|-1] > /sys/$DEVPATH/loading" */ ++ /* Tell kernel result by "echo [0|-1] > /sys/$DEVPATH/loading" ++ * Note: we emit -1 if firmware file wasn't found. ++ * There are cases when otherwise kernel would wait for minutes ++ * before timing out. ++ */ + if (cnt > 0) + full_write(loading_fd, "0", 1); + else +@@ -701,7 +709,6 @@ static void load_firmware(const char *fi + if (ENABLE_FEATURE_CLEAN_UP) { + close(firmware_fd); + close(loading_fd); +- close(data_fd); + } + } + |