diff options
Diffstat (limited to 'abs/extra/efibootmgr/efibootmgr_after_0.5.4_git.patch')
| -rwxr-xr-x | abs/extra/efibootmgr/efibootmgr_after_0.5.4_git.patch | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/abs/extra/efibootmgr/efibootmgr_after_0.5.4_git.patch b/abs/extra/efibootmgr/efibootmgr_after_0.5.4_git.patch new file mode 100755 index 0000000..5b9b6f8 --- /dev/null +++ b/abs/extra/efibootmgr/efibootmgr_after_0.5.4_git.patch @@ -0,0 +1,159 @@ +diff --git a/src/efibootmgr/efibootmgr.c b/src/efibootmgr/efibootmgr.c +index 5db0d9e..199af39 100644 +--- a/src/efibootmgr/efibootmgr.c ++++ b/src/efibootmgr/efibootmgr.c +@@ -328,6 +328,7 @@ add_to_boot_order(uint16_t num) + /* Now new_data has what we need */ + memcpy(&(boot_order.Data), new_data, new_data_size); + boot_order.DataSize = new_data_size; ++ free(new_data); + return create_or_edit_variable(&boot_order); + } + +diff --git a/src/include/disk.h b/src/include/disk.h +index eb93d10..8aa37d7 100644 +--- a/src/include/disk.h ++++ b/src/include/disk.h +@@ -65,6 +65,9 @@ enum _interface_type {interface_type_unknown, + ata, atapi, scsi, usb, + i1394, fibre, i2o, md}; + ++ ++unsigned int lcm(unsigned int x, unsigned int y); ++ + int disk_get_pci(int fd, + unsigned char *bus, + unsigned char *device, +diff --git a/src/lib/disk.c b/src/lib/disk.c +index 883864f..8ad590b 100644 +--- a/src/lib/disk.c ++++ b/src/lib/disk.c +@@ -55,7 +55,7 @@ disk_info_from_fd(int fd, + return 1; + } + major = buf.st_dev >> 8; +- minor = buf.st_dev && 0xFF; ++ minor = buf.st_dev & 0xFF; + + /* IDE disks can have up to 64 partitions, or 6 bits worth, + * and have one bit for the disk number. +@@ -420,6 +420,27 @@ get_sector_size(int filedes) + return sector_size; + } + ++/************************************************************ ++ * lcm ++ * Requires: ++ * - numbers of which to find the lowest common multiple ++ * Modifies: nothing ++ * Returns: ++ * lowest common multiple of x and y ++ ************************************************************/ ++unsigned int ++lcm(unsigned int x, unsigned int y) ++{ ++ unsigned int m = x, n = y, o; ++ ++ while ((o = m % n)) { ++ m = n; ++ n = o; ++ } ++ ++ return (x / n) * y; ++} ++ + /** + * disk_get_partition_info() + * @fd - open file descriptor to disk +@@ -442,26 +463,27 @@ disk_get_partition_info (int fd, + uint8_t *mbr_type, uint8_t *signature_type) + { + legacy_mbr *mbr; +- void *mbr_unaligned; ++ void *mbr_sector; ++ size_t mbr_size; + off_t offset; + int this_bytes_read = 0; + int gpt_invalid=0, mbr_invalid=0; + int rc=0; + int sector_size = get_sector_size(fd); + +- if (sizeof(*mbr) != sector_size) +- return 1; +- mbr_unaligned = malloc(sizeof(*mbr)+sector_size-1); +- mbr = (legacy_mbr *) +- (((unsigned long)mbr_unaligned + sector_size - 1) & +- ~(unsigned long)(sector_size-1)); +- memset(mbr, 0, sizeof(*mbr)); ++ ++ mbr_size = lcm(sizeof(*mbr), sector_size); ++ if ((rc = posix_memalign(&mbr_sector, sector_size, mbr_size)) != 0) ++ goto error; ++ memset(mbr_sector, '\0', mbr_size); ++ + offset = lseek(fd, 0, SEEK_SET); +- this_bytes_read = read(fd, mbr, sizeof(*mbr)); ++ this_bytes_read = read(fd, mbr_sector, mbr_size); + if (this_bytes_read < sizeof(*mbr)) { + rc=1; + goto error_free_mbr; + } ++ mbr = (legacy_mbr *)mbr_sector; + gpt_invalid = gpt_disk_get_partition_info(fd, num, + start, size, + signature, +@@ -479,7 +501,8 @@ disk_get_partition_info (int fd, + } + } + error_free_mbr: +- free(mbr_unaligned); ++ free(mbr_sector); ++ error: + return rc; + } + +diff --git a/src/lib/gpt.c b/src/lib/gpt.c +index d90ddaf..83e7a94 100644 +--- a/src/lib/gpt.c ++++ b/src/lib/gpt.c +@@ -215,26 +215,24 @@ read_lastoddsector(int fd, uint64_t lba, void *buffer, size_t count) + static ssize_t + read_lba(int fd, uint64_t lba, void *buffer, size_t bytes) + { +- int sector_size = get_sector_size(fd); +- off_t offset = lba * sector_size; ++ int sector_size = get_sector_size(fd); ++ off_t offset = lba * sector_size; + ssize_t bytesread; +- void *aligned; +- void *unaligned; +- +- if (bytes % sector_size) +- return EINVAL; ++ void *iobuf; ++ size_t iobuf_size; ++ int rc; + +- unaligned = malloc(bytes+sector_size-1); +- aligned = (void *) +- (((unsigned long)unaligned + sector_size - 1) & +- ~(unsigned long)(sector_size-1)); +- memset(aligned, 0, bytes); ++ iobuf_size = lcm(bytes, sector_size); ++ rc = posix_memalign(&iobuf, sector_size, iobuf_size); ++ if (rc) ++ return rc; ++ memset(iobuf, 0, bytes); + + +- lseek(fd, offset, SEEK_SET); +- bytesread = read(fd, aligned, bytes); +- memcpy(buffer, aligned, bytesread); +- free(unaligned); ++ lseek(fd, offset, SEEK_SET); ++ bytesread = read(fd, iobuf, iobuf_size); ++ memcpy(buffer, iobuf, bytes); ++ free(iobuf); + + /* Kludge. This is necessary to read/write the last + block of an odd-sized disk, until Linux 2.5.x kernel fixes. |