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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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[PATCH] prepare vfs_readdir() callers to returning filldir result
It's not the final state, but it allows moving ->readdir() instances to passing filldir return value to caller of vfs_readdir(). Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
parent
a9885444f7
commit
53c9c5c0e3
6 changed files with 33 additions and 41 deletions
22
fs/readdir.c
22
fs/readdir.c
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@ -117,7 +117,7 @@ asmlinkage long old_readdir(unsigned int fd, struct old_linux_dirent __user * di
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buf.dirent = dirent;
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error = vfs_readdir(file, fillonedir, &buf);
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if (error >= 0)
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if (buf.result)
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error = buf.result;
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fput(file);
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@ -209,9 +209,8 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
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buf.error = 0;
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error = vfs_readdir(file, filldir, &buf);
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if (error < 0)
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goto out_putf;
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error = buf.error;
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if (error >= 0)
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error = buf.error;
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lastdirent = buf.previous;
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if (lastdirent) {
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if (put_user(file->f_pos, &lastdirent->d_off))
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@ -219,8 +218,6 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
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else
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error = count - buf.count;
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}
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out_putf:
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fput(file);
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out:
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return error;
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@ -293,19 +290,16 @@ asmlinkage long sys_getdents64(unsigned int fd, struct linux_dirent64 __user * d
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buf.error = 0;
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error = vfs_readdir(file, filldir64, &buf);
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if (error < 0)
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goto out_putf;
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error = buf.error;
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if (error >= 0)
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error = buf.error;
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lastdirent = buf.previous;
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if (lastdirent) {
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typeof(lastdirent->d_off) d_off = file->f_pos;
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error = -EFAULT;
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if (__put_user(d_off, &lastdirent->d_off))
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goto out_putf;
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error = count - buf.count;
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error = -EFAULT;
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else
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error = count - buf.count;
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}
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out_putf:
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fput(file);
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out:
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return error;
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