mudler
41 lines
950 B
Diff
41 lines
950 B
Diff
@@ -, +, @@
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---
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src/lib/efivars_sysfs.c | 16 +++++++++++++---
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1 files changed, 13 insertions(+), 3 deletions(-)
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--- a/src/lib/efivars_sysfs.c
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+++ a/src/lib/efivars_sysfs.c
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@@ -66,6 +66,7 @@ static efi_status_t
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sysfs_write_variable(const char *filename, efi_variable_t *var)
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{
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int fd;
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+ int rc = EFI_SUCCESS;
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size_t writesize;
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char buffer[PATH_MAX+40];
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@@ -77,12 +78,21 @@ sysfs_write_variable(const char *filename, efi_variable_t *var)
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return EFI_INVALID_PARAMETER;
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}
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writesize = write(fd, var, sizeof(*var));
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+ if (writesize == -1) {
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+ if (errno == -ENOSPC)
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+ rc = EFI_OUT_OF_RESOURCES;
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+ else
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+ rc = EFI_INVALID_PARAMETER;
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+ goto out;
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+ }
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if (writesize != sizeof(*var)) {
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- close(fd);
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- return EFI_INVALID_PARAMETER;
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+ rc = EFI_INVALID_PARAMETER;
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}
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+out:
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+ if (rc != EFI_SUCCESS)
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+ fprintf(stderr, "Failed to write variable: %s\n", strerror(errno));
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close(fd);
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- return EFI_SUCCESS;
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+ return rc;
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}
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--
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