#include #include #include #include #include #include "util/util.h" #include "util/debug.h" #define CHUNK_SIZE 16384 int gzip_decompress_to_file(const char *input, int output_fd) { int ret = Z_STREAM_ERROR; int input_fd; void *ptr; int len; struct stat stbuf; unsigned char buf[CHUNK_SIZE]; z_stream zs = { .zalloc = Z_NULL, .zfree = Z_NULL, .opaque = Z_NULL, .avail_in = 0, .next_in = Z_NULL, }; input_fd = open(input, O_RDONLY); if (input_fd < 0) return -1; if (fstat(input_fd, &stbuf) < 0) goto out_close; ptr = mmap(NULL, stbuf.st_size, PROT_READ, MAP_PRIVATE, input_fd, 0); if (ptr == MAP_FAILED) goto out_close; if (inflateInit2(&zs, 16 + MAX_WBITS) != Z_OK) goto out_unmap; zs.next_in = ptr; zs.avail_in = stbuf.st_size; do { zs.next_out = buf; zs.avail_out = CHUNK_SIZE; ret = inflate(&zs, Z_NO_FLUSH); switch (ret) { case Z_NEED_DICT: ret = Z_DATA_ERROR; /* fall through */ case Z_DATA_ERROR: case Z_MEM_ERROR: goto out; default: break; } len = CHUNK_SIZE - zs.avail_out; if (writen(output_fd, buf, len) != len) { ret = Z_DATA_ERROR; goto out; } } while (ret != Z_STREAM_END); out: inflateEnd(&zs); out_unmap: munmap(ptr, stbuf.st_size); out_close: close(input_fd); return ret == Z_STREAM_END ? 0 : -1; } r>net-next plumbingsTobias Klauser
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authorJiri Slaby <jslaby@suse.cz>2017-01-18 14:29:21 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100
commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch)
tree125e7aced4835bad6f6a0c0d02d012f333caf922 /net/mac80211/vht.c
parentfa19a769f82fb9a5ca000b83cacd13fcaeda51ac (diff)
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction(). The previous value (0xc5) seems to correspond to LDS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/mac80211/vht.c')