Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/lib/errname.c b/lib/errname.c
new file mode 100644
index 0000000..0c4d3e6
--- /dev/null
+++ b/lib/errname.c
@@ -0,0 +1,223 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/build_bug.h>
+#include <linux/errno.h>
+#include <linux/errname.h>
+#include <linux/kernel.h>
+
+/*
+ * Ensure these tables do not accidentally become gigantic if some
+ * huge errno makes it in. On most architectures, the first table will
+ * only have about 140 entries, but mips and parisc have more sparsely
+ * allocated errnos (with EHWPOISON = 257 on parisc, and EDQUOT = 1133
+ * on mips), so this wastes a bit of space on those - though we
+ * special case the EDQUOT case.
+ */
+#define E(err) [err + BUILD_BUG_ON_ZERO(err <= 0 || err > 300)] = "-" #err
+static const char *names_0[] = {
+ E(E2BIG),
+ E(EACCES),
+ E(EADDRINUSE),
+ E(EADDRNOTAVAIL),
+ E(EADV),
+ E(EAFNOSUPPORT),
+ E(EALREADY),
+ E(EBADE),
+ E(EBADF),
+ E(EBADFD),
+ E(EBADMSG),
+ E(EBADR),
+ E(EBADRQC),
+ E(EBADSLT),
+ E(EBFONT),
+ E(EBUSY),
+#ifdef ECANCELLED
+ E(ECANCELLED),
+#endif
+ E(ECHILD),
+ E(ECHRNG),
+ E(ECOMM),
+ E(ECONNABORTED),
+ E(ECONNRESET),
+ E(EDEADLOCK),
+ E(EDESTADDRREQ),
+ E(EDOM),
+ E(EDOTDOT),
+#ifndef CONFIG_MIPS
+ E(EDQUOT),
+#endif
+ E(EEXIST),
+ E(EFAULT),
+ E(EFBIG),
+ E(EHOSTDOWN),
+ E(EHOSTUNREACH),
+ E(EHWPOISON),
+ E(EIDRM),
+ E(EILSEQ),
+#ifdef EINIT
+ E(EINIT),
+#endif
+ E(EINPROGRESS),
+ E(EINTR),
+ E(EINVAL),
+ E(EIO),
+ E(EISCONN),
+ E(EISDIR),
+ E(EISNAM),
+ E(EKEYEXPIRED),
+ E(EKEYREJECTED),
+ E(EKEYREVOKED),
+ E(EL2HLT),
+ E(EL2NSYNC),
+ E(EL3HLT),
+ E(EL3RST),
+ E(ELIBACC),
+ E(ELIBBAD),
+ E(ELIBEXEC),
+ E(ELIBMAX),
+ E(ELIBSCN),
+ E(ELNRNG),
+ E(ELOOP),
+ E(EMEDIUMTYPE),
+ E(EMFILE),
+ E(EMLINK),
+ E(EMSGSIZE),
+ E(EMULTIHOP),
+ E(ENAMETOOLONG),
+ E(ENAVAIL),
+ E(ENETDOWN),
+ E(ENETRESET),
+ E(ENETUNREACH),
+ E(ENFILE),
+ E(ENOANO),
+ E(ENOBUFS),
+ E(ENOCSI),
+ E(ENODATA),
+ E(ENODEV),
+ E(ENOENT),
+ E(ENOEXEC),
+ E(ENOKEY),
+ E(ENOLCK),
+ E(ENOLINK),
+ E(ENOMEDIUM),
+ E(ENOMEM),
+ E(ENOMSG),
+ E(ENONET),
+ E(ENOPKG),
+ E(ENOPROTOOPT),
+ E(ENOSPC),
+ E(ENOSR),
+ E(ENOSTR),
+#ifdef ENOSYM
+ E(ENOSYM),
+#endif
+ E(ENOSYS),
+ E(ENOTBLK),
+ E(ENOTCONN),
+ E(ENOTDIR),
+ E(ENOTEMPTY),
+ E(ENOTNAM),
+ E(ENOTRECOVERABLE),
+ E(ENOTSOCK),
+ E(ENOTTY),
+ E(ENOTUNIQ),
+ E(ENXIO),
+ E(EOPNOTSUPP),
+ E(EOVERFLOW),
+ E(EOWNERDEAD),
+ E(EPERM),
+ E(EPFNOSUPPORT),
+ E(EPIPE),
+#ifdef EPROCLIM
+ E(EPROCLIM),
+#endif
+ E(EPROTO),
+ E(EPROTONOSUPPORT),
+ E(EPROTOTYPE),
+ E(ERANGE),
+ E(EREMCHG),
+#ifdef EREMDEV
+ E(EREMDEV),
+#endif
+ E(EREMOTE),
+ E(EREMOTEIO),
+#ifdef EREMOTERELEASE
+ E(EREMOTERELEASE),
+#endif
+ E(ERESTART),
+ E(ERFKILL),
+ E(EROFS),
+#ifdef ERREMOTE
+ E(ERREMOTE),
+#endif
+ E(ESHUTDOWN),
+ E(ESOCKTNOSUPPORT),
+ E(ESPIPE),
+ E(ESRCH),
+ E(ESRMNT),
+ E(ESTALE),
+ E(ESTRPIPE),
+ E(ETIME),
+ E(ETIMEDOUT),
+ E(ETOOMANYREFS),
+ E(ETXTBSY),
+ E(EUCLEAN),
+ E(EUNATCH),
+ E(EUSERS),
+ E(EXDEV),
+ E(EXFULL),
+
+ E(ECANCELED), /* ECANCELLED */
+ E(EAGAIN), /* EWOULDBLOCK */
+ E(ECONNREFUSED), /* EREFUSED */
+ E(EDEADLK), /* EDEADLOCK */
+};
+#undef E
+
+#define E(err) [err - 512 + BUILD_BUG_ON_ZERO(err < 512 || err > 550)] = "-" #err
+static const char *names_512[] = {
+ E(ERESTARTSYS),
+ E(ERESTARTNOINTR),
+ E(ERESTARTNOHAND),
+ E(ENOIOCTLCMD),
+ E(ERESTART_RESTARTBLOCK),
+ E(EPROBE_DEFER),
+ E(EOPENSTALE),
+ E(ENOPARAM),
+
+ E(EBADHANDLE),
+ E(ENOTSYNC),
+ E(EBADCOOKIE),
+ E(ENOTSUPP),
+ E(ETOOSMALL),
+ E(ESERVERFAULT),
+ E(EBADTYPE),
+ E(EJUKEBOX),
+ E(EIOCBQUEUED),
+ E(ERECALLCONFLICT),
+};
+#undef E
+
+static const char *__errname(unsigned err)
+{
+ if (err < ARRAY_SIZE(names_0))
+ return names_0[err];
+ if (err >= 512 && err - 512 < ARRAY_SIZE(names_512))
+ return names_512[err - 512];
+ /* But why? */
+ if (IS_ENABLED(CONFIG_MIPS) && err == EDQUOT) /* 1133 */
+ return "-EDQUOT";
+ return NULL;
+}
+
+/*
+ * errname(EIO) -> "EIO"
+ * errname(-EIO) -> "-EIO"
+ */
+const char *errname(int err)
+{
+ const char *name = __errname(abs(err));
+ if (!name)
+ return NULL;
+
+ return err > 0 ? name + 1 : name;
+}